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[v2,10/14] gpio: dwapb: Drop bogus BUG_ON()s

Message ID 20200415141534.31240-11-andriy.shevchenko@linux.intel.com
State New
Headers show
Series gpio: dwapb: Clean up the driver and a fix | expand

Commit Message

Andy Shevchenko April 15, 2020, 2:15 p.m. UTC 
There is no case when no context is provided in the ->suspend() and
->resume() hooks. Moreover, BUG_ON() is harmful to user and makes kernel
inoperable after the crash. Drop the BUG_ON()s for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
---
 drivers/gpio/gpio-dwapb.c | 4 ----
 1 file changed, 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 0b073cbc003b..ae4c4db8b156 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -723,8 +723,6 @@  static int dwapb_gpio_suspend(struct device *dev)
 		unsigned int idx = gpio->ports[i].idx;
 		struct dwapb_context *ctx = gpio->ports[i].ctx;
 
-		BUG_ON(!ctx);
-
 		offset = GPIO_SWPORTA_DDR + idx * GPIO_SWPORT_DDR_STRIDE;
 		ctx->dir = dwapb_read(gpio, offset);
 
@@ -773,8 +771,6 @@  static int dwapb_gpio_resume(struct device *dev)
 		unsigned int idx = gpio->ports[i].idx;
 		struct dwapb_context *ctx = gpio->ports[i].ctx;
 
-		BUG_ON(!ctx);
-
 		offset = GPIO_SWPORTA_DR + idx * GPIO_SWPORT_DR_STRIDE;
 		dwapb_write(gpio, offset, ctx->data);