[1/2] blocklevel_info: Refactor the passing of output data

diff --git a/core/flash.c b/core/flash.c
index 793401c9..10cf8b4d 100644
--- a/core/flash.c
+++ b/core/flash.c
@@ -254,21 +254,20 @@  static int num_flashes(void)
 
 int flash_register(struct blocklevel_device *bl)
 {
-	uint64_t size;
-	uint32_t block_size;
+	struct blocklevel_info bl_info;
 	struct ffs_handle *ffs;
 	struct dt_node *node;
 	struct flash *flash;
-	const char *name;
 	int rc;
 
-	rc = blocklevel_get_info(bl, &name, &size, &block_size);
+	rc = blocklevel_get_info(bl, &bl_info);
 	if (rc)
 		return rc;
 
 	prlog(PR_INFO, "FLASH: registering flash device %s "
 			"(size 0x%llx, blocksize 0x%x)\n",
-			name ?: "(unnamed)", size, block_size);
+			bl_info.name ?: "(unnamed)", bl_info.size,
+			bl_info.erase_granule);
 
 	lock(&flash_lock);
 
@@ -281,8 +280,8 @@  int flash_register(struct blocklevel_device *bl)
 
 	flash->busy = false;
 	flash->bl = bl;
-	flash->size = size;
-	flash->block_size = block_size;
+	flash->size = bl_info.size;
+	flash->block_size = bl_info.erase_granule;
 	flash->id = num_flashes();
 
 	list_add(&flashes, &flash->list);
@@ -302,7 +301,7 @@  int flash_register(struct blocklevel_device *bl)
 
 	node = flash_add_dt_node(flash, flash->id);
 
-	setup_system_flash(flash, node, name, ffs);
+	setup_system_flash(flash, node, bl_info.name, ffs);
 
 	if (ffs)
 		ffs_close(ffs);
diff --git a/external/common/arch_flash_arm.c b/external/common/arch_flash_arm.c
index 3cdd41de..ac43de0c 100644
--- a/external/common/arch_flash_arm.c
+++ b/external/common/arch_flash_arm.c
@@ -303,13 +303,13 @@  int arch_flash_erase_chip(struct blocklevel_device *bl)
 	if (!arch_data.flash_chip) {
 		/* Just assume its a regular erase */
 		int rc;
-		uint64_t total_size;
+		struct blocklevel_info bl_info;
 
-		rc = blocklevel_get_info(bl, NULL, &total_size, NULL);
+		rc = blocklevel_get_info(bl, &bl_info);
 		if (rc)
 			return rc;
 
-		return blocklevel_erase(bl, 0, total_size);
+		return blocklevel_erase(bl, 0, bl_info.size);
 	}
 
 	return flash_erase_chip(arch_data.flash_chip);
diff --git a/external/common/arch_flash_common.c b/external/common/arch_flash_common.c
index 5b7f9ea0..e4ab432d 100644
--- a/external/common/arch_flash_common.c
+++ b/external/common/arch_flash_common.c
@@ -31,13 +31,14 @@ 
 int __attribute__((weak)) arch_flash_erase_chip(struct blocklevel_device *bl)
 {
 	int rc;
+	struct blocklevel_info bl_info;
 	uint64_t total_size;
 
-	rc = blocklevel_get_info(bl, NULL, &total_size, NULL);
+	rc = blocklevel_get_info(bl, &bl_info);
 	if (rc)
 		return rc;
 
-	return blocklevel_erase(bl, 0, total_size);
+	return blocklevel_erase(bl, 0, bl_info.size);
 }
 
 int __attribute__((weak)) arch_flash_4b_mode(struct blocklevel_device *bl, int set_4b)
diff --git a/external/gard/gard.c b/external/gard/gard.c
index 32a0003f..0abf7c73 100644
--- a/external/gard/gard.c
+++ b/external/gard/gard.c
@@ -576,7 +576,7 @@  int main(int argc, char **argv)
 	const char *action, *progname;
 	char *filename = NULL;
 	struct gard_ctx _ctx, *ctx;
-	uint64_t bl_size;
+	struct blocklevel_info bl_info;
 	int rc, i = 0;
 	bool part = 0;
 	bool ecc = 0;
@@ -645,17 +645,17 @@  int main(int argc, char **argv)
 		goto out_free;
 	}
 
-	rc = blocklevel_get_info(ctx->bl, NULL, &bl_size, NULL);
+	rc = blocklevel_get_info(ctx->bl, &bl_info);
 	if (rc)
 		goto out;
 
-	if (bl_size > UINT_MAX) {
+	if (bl_info.size > UINT_MAX) {
 		fprintf(stderr, "MTD device bigger than %i: size: %" PRIu64 "\n",
-			UINT_MAX, bl_size);
+			UINT_MAX, bl_info.size);
 		rc = EXIT_FAILURE;
 		goto out;
 	}
-	ctx->f_size = bl_size;
+	ctx->f_size = bl_info.size;
 
 	if (!part) {
 		rc = ffs_init(0, ctx->f_size, ctx->bl, &ctx->ffs, 1);
diff --git a/external/opal-prd/pnor.c b/external/opal-prd/pnor.c
index 0e7e5c04..2156f70d 100644
--- a/external/opal-prd/pnor.c
+++ b/external/opal-prd/pnor.c
@@ -45,13 +45,13 @@  int pnor_init(struct pnor *pnor)
 		return -1;
 	}
 
-	rc = blocklevel_get_info(pnor->bl, NULL, &(pnor->size), &(pnor->erasesize));
+	rc = blocklevel_get_info(pnor->bl, &pnor->bl_info);
 	if (rc) {
 		pr_log(LOG_ERR, "PNOR: blocklevel_get_info() failed. Can't use PNOR");
 		goto out;
 	}
 
-	rc = ffs_init(0, pnor->size, pnor->bl, &pnor->ffsh, 0);
+	rc = ffs_init(0, pnor->bl_info.size, pnor->bl, &pnor->ffsh, 0);
 	if (rc) {
 		pr_log(LOG_ERR, "PNOR: Failed to open pnor partition table");
 		goto out;
@@ -102,8 +102,8 @@  static int mtd_write(struct pnor *pnor, void *data, uint64_t offset,
 {
 	int rc;
 
-	if (len > pnor->size || offset > pnor->size ||
-	    len + offset > pnor->size)
+	if (len > pnor->bl_info.size || offset > pnor->bl_info.size ||
+	    len + offset > pnor->bl_info.size)
 		return -ERANGE;
 
 	rc = blocklevel_smart_write(pnor->bl, offset, data, len);
@@ -118,8 +118,8 @@  static int mtd_read(struct pnor *pnor, void *data, uint64_t offset,
 {
 	int rc;
 
-	if (len > pnor->size || offset > pnor->size ||
-	    len + offset > pnor->size)
+	if (len > pnor->bl_info.size || offset > pnor->bl_info.size ||
+	    len + offset > pnor->bl_info.size)
 		return -ERANGE;
 
 	rc = blocklevel_read(pnor->bl, offset, data, len);
diff --git a/external/opal-prd/pnor.h b/external/opal-prd/pnor.h
index 4ff449c8..93759ef4 100644
--- a/external/opal-prd/pnor.h
+++ b/external/opal-prd/pnor.h
@@ -7,8 +7,7 @@ 
 struct pnor {
 	char			*path;
 	struct ffs_handle	*ffsh;
-	uint64_t		size;
-	uint32_t		erasesize;
+	struct blocklevel_info bl_info;
 	struct blocklevel_device *bl;
 };
 
diff --git a/external/opal-prd/test/test_pnor_ops.c b/external/opal-prd/test/test_pnor_ops.c
index fd5e2c22..3743362e 100644
--- a/external/opal-prd/test/test_pnor_ops.c
+++ b/external/opal-prd/test/test_pnor_ops.c
@@ -130,11 +130,14 @@  int main(int argc, char **argv)
 	for (i = 0; i < 2; i++)
 		write(fd, data, 16);
 
+	/* Unused */
+	pnor.bl_info.name = NULL;
+
 	/* Adjust this if making the file smaller */
-	pnor.size = 32;
+	pnor.bl_info.size = 32;
 
 	/* This is fake. Make it smaller than the size */
-	pnor.erasesize = 4;
+	pnor.bl_info.erase_granule = 4;
 
 	printf("Write: ");
 	memset(data, 'A', sizeof(data));
diff --git a/external/pflash/pflash.c b/external/pflash/pflash.c
index a344987e..b4b7e34f 100644
--- a/external/pflash/pflash.c
+++ b/external/pflash/pflash.c
@@ -55,9 +55,7 @@  static uint8_t file_buf[FILE_BUF_SIZE] __aligned(0x1000);
 
 static struct blocklevel_device *bl;
 static struct ffs_handle	*ffsh;
-static uint64_t			fl_total_size;
-static uint32_t			fl_erase_granule;
-static const char		*fl_name;
+static struct blocklevel_info bl_info;
 static int32_t			ffs_index = -1;
 
 static void check_confirm(void)
@@ -97,7 +95,7 @@  static void print_ffs_info(uint32_t toc_offset)
 	printf("TOC@0x%08x Partitions:\n", toc_offset);
 	printf("-----------\n");
 
-	rc = ffs_init(toc_offset, fl_total_size, bl, &ffs_handle, 0);
+	rc = ffs_init(toc_offset, bl_info.size, bl, &ffs_handle, 0);
 	if (rc) {
 		fprintf(stderr, "Error %d opening ffs !\n", rc);
 		return;
@@ -136,9 +134,9 @@  static void print_flash_info(uint32_t toc)
 {
 	printf("Flash info:\n");
 	printf("-----------\n");
-	printf("Name          = %s\n", fl_name);
-	printf("Total size    = %"PRIu64"MB \n", fl_total_size >> 20);
-	printf("Erase granule = %dKB \n", fl_erase_granule >> 10);
+	printf("Name          = %s\n", bl_info.name);
+	printf("Total size    = %"PRIu64"MB \n", bl_info.size >> 20);
+	printf("Erase granule = %dKB \n", bl_info.erase_granule >> 10);
 
 	if (bmc_flash)
 		return;
@@ -153,7 +151,7 @@  static int open_partition(const char *name)
 
 	/* Open libffs if needed */
 	if (!ffsh) {
-		rc = ffs_init(ffs_toc, fl_total_size, bl, &ffsh, 0);
+		rc = ffs_init(ffs_toc, bl_info.size, bl, &ffsh, 0);
 		if (rc) {
 			fprintf(stderr, "Error %d opening ffs !\n", rc);
 			if (ffs_toc)
@@ -768,8 +766,7 @@  int main(int argc, char *argv[])
 
 	atexit(exiting);
 
-	rc = blocklevel_get_info(bl, &fl_name,
-			    &fl_total_size, &fl_erase_granule);
+	rc = blocklevel_get_info(bl, &bl_info);
 	if (rc) {
 		fprintf(stderr, "Error %d getting flash info\n", rc);
 		exit(1);
@@ -781,7 +778,7 @@  int main(int argc, char *argv[])
 
 	/* If read specified and no read_size, use flash size */
 	if (do_read && !read_size && !part_name)
-		read_size = fl_total_size;
+		read_size = bl_info.size;
 
 	/* We have a partition specified, grab the details */
 	if (part_name)
diff --git a/libflash/blocklevel.c b/libflash/blocklevel.c
index 9802ad0f..6272f8fd 100644
--- a/libflash/blocklevel.c
+++ b/libflash/blocklevel.c
@@ -220,12 +220,11 @@  int blocklevel_erase(struct blocklevel_device *bl, uint64_t pos, uint64_t len)
 	return rc;
 }
 
-int blocklevel_get_info(struct blocklevel_device *bl, const char **name, uint64_t *total_size,
-		uint32_t *erase_granule)
+int blocklevel_get_info(struct blocklevel_device *bl, struct blocklevel_info *bl_info)
 {
 	int rc;
 
-	if (!bl || !bl->get_info) {
+	if (!bl || !bl->get_info || !bl_info) {
 		errno = EINVAL;
 		return FLASH_ERR_PARM_ERROR;
 	}
@@ -234,12 +233,12 @@  int blocklevel_get_info(struct blocklevel_device *bl, const char **name, uint64_
 	if (rc)
 		return rc;
 
-	rc = bl->get_info(bl, name, total_size, erase_granule);
+	rc = bl->get_info(bl, bl_info);
 
 	/* Check the validity of what we are being told */
-	if (erase_granule && *erase_granule != bl->erase_mask + 1)
+	if (bl_info->erase_granule != bl->erase_mask + 1)
 		fprintf(stderr, "blocklevel_get_info: WARNING: erase_granule (0x%08x) and erase_mask"
-				" (0x%08x) don't match\n", *erase_granule, bl->erase_mask + 1);
+				" (0x%08x) don't match\n", bl_info->erase_granule, bl->erase_mask + 1);
 
 	release(bl);
 
@@ -392,7 +391,7 @@  out:
 
 int blocklevel_smart_write(struct blocklevel_device *bl, uint64_t pos, const void *buf, uint64_t len)
 {
-	uint32_t erase_size;
+	struct blocklevel_info bl_info;
 	const void *write_buf = buf;
 	void *write_buf_start = NULL;
 	void *erase_buf;
@@ -406,7 +405,7 @@  int blocklevel_smart_write(struct blocklevel_device *bl, uint64_t pos, const voi
 	if (!(bl->flags & WRITE_NEED_ERASE))
 		return blocklevel_write(bl, pos, buf, len);
 
-	rc = blocklevel_get_info(bl, NULL, NULL, &erase_size);
+	rc = blocklevel_get_info(bl, &bl_info);
 	if (rc)
 		return rc;
 
@@ -427,7 +426,7 @@  int blocklevel_smart_write(struct blocklevel_device *bl, uint64_t pos, const voi
 		write_buf = write_buf_start;
 	}
 
-	erase_buf = malloc(erase_size);
+	erase_buf = malloc(bl_info.erase_granule);
 	if (!erase_buf) {
 		errno = ENOMEM;
 		rc = FLASH_ERR_MALLOC_FAILED;
@@ -439,26 +438,26 @@  int blocklevel_smart_write(struct blocklevel_device *bl, uint64_t pos, const voi
 		goto out_free;
 
 	while (len > 0) {
-		uint32_t erase_block = pos & ~(erase_size - 1);
-		uint32_t block_offset = pos & (erase_size - 1);
-		uint32_t size = erase_size > len ? len : erase_size;
+		uint32_t erase_block = pos & ~(bl_info.erase_granule - 1);
+		uint32_t block_offset = pos & (bl_info.erase_granule - 1);
+		uint32_t size = bl_info.erase_granule > len ? len : bl_info.erase_granule;
 		int cmp;
 
 		/* Write crosses an erase boundary, shrink the write to the boundary */
-		if (erase_size < block_offset + size) {
-			size = erase_size - block_offset;
+		if (bl_info.erase_granule < block_offset + size) {
+			size = bl_info.erase_granule - block_offset;
 		}
 
-		rc = bl->read(bl, erase_block, erase_buf, erase_size);
+		rc = bl->read(bl, erase_block, erase_buf, bl_info.erase_granule);
 		if (rc)
 			goto out;
 
 		cmp = blocklevel_flashcmp(erase_buf + block_offset, write_buf, size);
 		if (cmp != 0) {
 			if (cmp == -1)
-				bl->erase(bl, erase_block, erase_size);
+				bl->erase(bl, erase_block, bl_info.erase_granule);
 			memcpy(erase_buf + block_offset, write_buf, size);
-			rc = bl->write(bl, erase_block, erase_buf, erase_size);
+			rc = bl->write(bl, erase_block, erase_buf, bl_info.erase_granule);
 			if (rc)
 				goto out;
 		}
diff --git a/libflash/blocklevel.h b/libflash/blocklevel.h
index ba42c83d..7e4a7e8d 100644
--- a/libflash/blocklevel.h
+++ b/libflash/blocklevel.h
@@ -34,6 +34,12 @@  enum blocklevel_flags {
 	WRITE_NEED_ERASE = 1,
 };
 
+struct blocklevel_info {
+	const char *name;
+	uint64_t size;
+	uint32_t erase_granule;
+};
+
 /*
  * libffs may be used with different backends, all should provide these for
  * libflash to get the information it needs
@@ -45,8 +51,7 @@  struct blocklevel_device {
 	int (*read)(struct blocklevel_device *bl, uint64_t pos, void *buf, uint64_t len);
 	int (*write)(struct blocklevel_device *bl, uint64_t pos, const void *buf, uint64_t len);
 	int (*erase)(struct blocklevel_device *bl, uint64_t pos, uint64_t len);
-	int (*get_info)(struct blocklevel_device *bl, const char **name, uint64_t *total_size,
-			uint32_t *erase_granule);
+	int (*get_info)(struct blocklevel_device *bl, struct blocklevel_info *bl_info);
 
 	/*
 	 * Keep the erase mask so that blocklevel_erase() can do sanity checking
@@ -62,8 +67,8 @@  int blocklevel_read(struct blocklevel_device *bl, uint64_t pos, void *buf, uint6
 int blocklevel_raw_write(struct blocklevel_device *bl, uint64_t pos, const void *buf, uint64_t len);
 int blocklevel_write(struct blocklevel_device *bl, uint64_t pos, const void *buf, uint64_t len);
 int blocklevel_erase(struct blocklevel_device *bl, uint64_t pos, uint64_t len);
-int blocklevel_get_info(struct blocklevel_device *bl, const char **name, uint64_t *total_size,
-		uint32_t *erase_granule);
+
+int blocklevel_get_info(struct blocklevel_device *bl, struct blocklevel_info *bl_info);
 
 /*
  * blocklevel_smart_write() performs reads on the data to see if it
diff --git a/libflash/file.c b/libflash/file.c
index 5f074cf2..b8ceedb5 100644
--- a/libflash/file.c
+++ b/libflash/file.c
@@ -169,6 +169,7 @@  static int get_info_name(struct file_data *file_data, char **name)
 	}
 	lpath[len] = '\0';
 
+	free(*name);
 	*name = lpath;
 
 	free(path);
@@ -176,8 +177,8 @@  static int get_info_name(struct file_data *file_data, char **name)
 }
 
 
-static int mtd_get_info(struct blocklevel_device *bl, const char **name,
-		uint64_t *total_size, uint32_t *erase_granule)
+static int mtd_get_info(struct blocklevel_device *bl,
+		struct blocklevel_info *bl_info)
 {
 	struct file_data *file_data = container_of(bl, struct file_data, bl);
 	struct mtd_info_user mtd_info;
@@ -187,24 +188,19 @@  static int mtd_get_info(struct blocklevel_device *bl, const char **name,
 	if (rc == -1)
 		return FLASH_ERR_BAD_READ;
 
-	if (total_size)
-		*total_size = mtd_info.size;
-
-	if (erase_granule)
-		*erase_granule = mtd_info.erasesize;
+	rc = get_info_name(file_data, &(file_data->name));
+	if (rc)
+		return rc;
 
-	if (name) {
-		rc = get_info_name(file_data, &(file_data->name));
-		if (rc)
-			return rc;
-		*name = file_data->name;
-	}
+	bl_info->name = file_data->name;
+	bl_info->total_size = mtd_info.size;
+	bl_info->erase_granule = mtd_info.erasesize;
 
 	return 0;
 }
 
-static int file_get_info(struct blocklevel_device *bl, const char **name,
-		uint64_t *total_size, uint32_t *erase_granule)
+static int file_get_info(struct blocklevel_device *bl,
+		struct blocklevel_info *bl_info)
 {
 	struct file_data *file_data = container_of(bl, struct file_data, bl);
 	struct stat st;
@@ -213,18 +209,13 @@  static int file_get_info(struct blocklevel_device *bl, const char **name,
 	if (fstat(file_data->fd, &st))
 		return FLASH_ERR_PARM_ERROR;
 
-	if (total_size)
-		*total_size = st.st_size;
-
-	if (erase_granule)
-		*erase_granule = 1;
+	rc = get_info_name(file_data, &(file_data->name));
+	if (rc)
+		return rc;
 
-	if (name) {
-		rc = get_info_name(file_data, &(file_data->name));
-		if (rc)
-			return rc;
-		*name = file_data->name;
-	}
+	bl_info->name = file_data->name;
+	bl_info->size = st.st_size;
+	bl_info->erase_granule = 1;
 
 	return 0;
 }
diff --git a/libflash/libffs.c b/libflash/libffs.c
index dca40188..9360966a 100644
--- a/libflash/libffs.c
+++ b/libflash/libffs.c
@@ -203,25 +203,25 @@  int ffs_init(uint32_t offset, uint32_t max_size, struct blocklevel_device *bl,
 {
 	struct __ffs_hdr blank_hdr;
 	struct __ffs_hdr raw_hdr;
+	struct blocklevel_info bl_info;
 	struct ffs_handle *f;
-	uint64_t total_size;
 	int rc, i;
 
 	if (!ffs || !bl)
 		return FLASH_ERR_PARM_ERROR;
 	*ffs = NULL;
 
-	rc = blocklevel_get_info(bl, NULL, &total_size, NULL);
+	rc = blocklevel_get_info(bl, &bl_info);
 	if (rc) {
 		FL_ERR("FFS: Error %d retrieving flash info\n", rc);
 		return rc;
 	}
-	if (total_size > UINT_MAX)
+	if (bl_info.size > UINT_MAX)
 		return FLASH_ERR_VERIFY_FAILURE;
 	if ((offset + max_size) < offset)
 		return FLASH_ERR_PARM_ERROR;
 
-	if ((max_size > total_size))
+	if ((max_size > bl_info.size))
 		return FLASH_ERR_PARM_ERROR;
 
 	/* Read flash header */
diff --git a/libflash/libflash.c b/libflash/libflash.c
index 9bdc7d6f..9765c43e 100644
--- a/libflash/libflash.c
+++ b/libflash/libflash.c
@@ -794,16 +794,15 @@  static int flash_configure(struct flash_chip *c)
 	return 0;
 }
 
-static int flash_get_info(struct blocklevel_device *bl, const char **name,
-		   uint64_t *total_size, uint32_t *erase_granule)
+static int flash_get_info(struct blocklevel_device *bl,
+		struct blocklevel_info *bl_info)
 {
 	struct flash_chip *c = container_of(bl, struct flash_chip, bl);
-	if (name)
-		*name = c->info.name;
-	if (total_size)
-		*total_size = c->tsize;
-	if (erase_granule)
-		*erase_granule = c->min_erase_mask + 1;
+
+	bl_info->name = c->info.name;
+	bl_info->size = c->tsize;
+	bl_info->erase_granule = c->min_erase_mask + 1;
+
 	return 0;
 }
 
diff --git a/libflash/mbox-flash.c b/libflash/mbox-flash.c
index 7bf731d0..75e03005 100644
--- a/libflash/mbox-flash.c
+++ b/libflash/mbox-flash.c
@@ -388,8 +388,8 @@  static int mbox_flash_read(struct blocklevel_device *bl, uint64_t pos,
 	return rc;
 }
 
-static int mbox_flash_get_info(struct blocklevel_device *bl, const char **name,
-		uint64_t *total_size, uint32_t *erase_granule)
+static int mbox_flash_get_info(struct blocklevel_device *bl,
+		struct blocklevel_info *bl_info)
 {
 	struct mbox_flash_data *mbox_flash;
 	struct bmc_mbox_msg *msg;
@@ -400,14 +400,7 @@  static int mbox_flash_get_info(struct blocklevel_device *bl, const char **name,
 	if (!msg)
 		return FLASH_ERR_MALLOC_FAILED;
 
-	/*
-	 * We want to avoid runtime mallocs in skiboot. The expected
-	 * behavour to uses of libflash is that one can free() the memory
-	 * returned.
-	 * NULL will do for now.
-	 */
-	if (name)
-		*name = NULL;
+	bl_info->name = "pnor_mbox";
 
 	mbox_flash->busy = true;
 	rc = msg_send(mbox_flash, msg);
@@ -423,10 +416,8 @@  static int mbox_flash_get_info(struct blocklevel_device *bl, const char **name,
 
 	mbox_flash->bl.erase_mask = mbox_flash->erase_granule - 1;
 
-	if (total_size)
-		*total_size = mbox_flash->total_size;
-	if (erase_granule)
-		*erase_granule = mbox_flash->erase_granule;
+	bl_info->size = mbox_flash->total_size;
+	bl_info->erase_granule = mbox_flash->erase_granule;
 
 out:
 	msg_free_memory(msg);
diff --git a/platforms/mambo/mambo.c b/platforms/mambo/mambo.c
index cb6e103c..dd7872a8 100644
--- a/platforms/mambo/mambo.c
+++ b/platforms/mambo/mambo.c
@@ -125,19 +125,14 @@  static int bogus_disk_erase(struct blocklevel_device *bl __unused,
 	return 0; /* NOP */
 }
 
-static int bogus_disk_get_info(struct blocklevel_device *bl, const char **name,
-			      uint64_t *total_size, uint32_t *erase_granule)
+static int bogus_disk_get_info(struct blocklevel_device *bl,
+			struct blocklevel_info *bl_info)
 {
 	struct bogus_disk_info *bdi = bl->priv;
 
-	if (total_size)
-		*total_size = bdi->size;
-
-	if (erase_granule)
-		*erase_granule = BD_SECT_SZ;
-
-	if (name)
-		*name = "mambobogus";
+	bl_info->name = "mambobogus";
+	bl_info->size = bdi->size;
+	bl_info->erase_granule = BD_SECT_SZ;
 
 	return 0;
 }