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| author | Wei Yongjun <weiyj.lk@gmail.com> | 2016-08-13 04:26:26 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-08-30 11:36:58 +0300 |
| commit | 763e6366f3700e2f34a94e71bfec67dea7e37b68 (patch) | |
| tree | 9fc04d926ce0ff4e29adfe7fe50ba0a5e13c48a6 /drivers/video/fbdev/amba-clcd-versatile.c | |
| parent | 1121a418b2083038e9981ab9e2401db9fb8fdd7e (diff) | |
| download | linux-763e6366f3700e2f34a94e71bfec67dea7e37b68.tar.xz | |
video: ARM CLCD: fix return value check in versatile_clcd_init_panel()
In case of error, the function syscon_node_to_regmap() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Fixes: 25348160e9a4 ("video: ARM CLCD: add special panel hook for Versatiles")
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/fbdev/amba-clcd-versatile.c')
| -rw-r--r-- | drivers/video/fbdev/amba-clcd-versatile.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/amba-clcd-versatile.c b/drivers/video/fbdev/amba-clcd-versatile.c index 9a90817b1550..56161f98ad7e 100644 --- a/drivers/video/fbdev/amba-clcd-versatile.c +++ b/drivers/video/fbdev/amba-clcd-versatile.c @@ -528,9 +528,9 @@ int versatile_clcd_init_panel(struct clcd_fb *fb, versatile_clcd_type = (enum versatile_clcd)clcd_id->data; map = syscon_node_to_regmap(np); - if (!map) { + if (IS_ERR(map)) { dev_err(dev, "no Versatile syscon regmap\n"); - return -ENODEV; + return PTR_ERR(map); } switch (versatile_clcd_type) { |