@@ -619,6 +619,11 @@ static int ebu_nand_probe(struct platform_device *pdev)
ebu_host->cs_num = cs;
resname = devm_kasprintf(dev, GFP_KERNEL, "nand_cs%d", cs);
+ if (resname) {
+ dev_err(dev, "Failed to allocate resname\n");
+ ret = -ENOMEM;
+ goto err_of_node_put;
+ }
ebu_host->cs[cs].chipaddr = devm_platform_ioremap_resource_byname(pdev,
resname);
if (IS_ERR(ebu_host->cs[cs].chipaddr)) {
@@ -649,6 +654,11 @@ static int ebu_nand_probe(struct platform_device *pdev)
}
resname = devm_kasprintf(dev, GFP_KERNEL, "addr_sel%d", cs);
+ if (resname) {
+ dev_err(dev, "Failed to allocate resname\n");
+ ret = -ENOMEM;
+ goto err_cleanup_dma;
+ }
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, resname);
if (!res) {
ret = -EINVAL;
The devm_kasprintf() returns a pointer to dynamically allocated memory. that will return NULL when allocate failed. Fix it by check return value of devm_kasprintf(). Fixes: 0b1039f016e8 ("mtd: rawnand: Add NAND controller support on Intel LGM SoC") Signed-off-by: Yi Yang <yiyang13@huawei.com> --- drivers/mtd/nand/raw/intel-nand-controller.c | 10 ++++++++++ 1 file changed, 10 insertions(+)