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authorShobhit Kukreti <shobhitkukreti@gmail.com>2019-06-21 15:13:14 +0200
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2019-06-21 15:13:14 +0200
commitacf7287e77852cf787c45980c27bfbdca7d94b0d (patch)
tree77a82c37ffd25c3cb2bf9b251d979d22abd18f2e /drivers/video/fbdev/controlfb.c
parentefifb: BGRT: Add check for new BGRT status field rotation bits (diff)
downloadlinux-acf7287e77852cf787c45980c27bfbdca7d94b0d.tar.xz
linux-acf7287e77852cf787c45980c27bfbdca7d94b0d.zip
video: fbdev: controlfb: fix warnings about comparing pointer to 0
Fix warnings aboout comparing pointer to 0 reported by coccicheck: drivers/video/fbdev/controlfb.c: WARNING comparing pointer to 0 drivers/video/fbdev/controlfb.c: WARNING comparing pointer to 0 drivers/video/fbdev/controlfb.c: WARNING comparing pointer to 0 Also while at it change return value to -ENOMEM on kzalloc() failure. Signed-off-by: Shobhit Kukreti <shobhitkukreti@gmail.com> Reviewed-by: Mathieu Malaterre <malat@debian.org> [b.zolnierkie: minor fixups] Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video/fbdev/controlfb.c')
-rw-r--r--drivers/video/fbdev/controlfb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index 7af8db28bb80..9a680ef3ffc3 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c
@@ -182,7 +182,7 @@ int init_module(void)
int ret = -ENXIO;
dp = of_find_node_by_name(NULL, "control");
- if (dp != 0 && !control_of_init(dp))
+ if (dp && !control_of_init(dp))
ret = 0;
of_node_put(dp);
@@ -580,7 +580,7 @@ static int __init control_init(void)
control_setup(option);
dp = of_find_node_by_name(NULL, "control");
- if (dp != 0 && !control_of_init(dp))
+ if (dp && !control_of_init(dp))
ret = 0;
of_node_put(dp);
@@ -683,8 +683,8 @@ static int __init control_of_init(struct device_node *dp)
return -ENXIO;
}
p = kzalloc(sizeof(*p), GFP_KERNEL);
- if (p == 0)
- return -ENXIO;
+ if (!p)
+ return -ENOMEM;
control_fb = p; /* save it for cleanups */
/* Map in frame buffer and registers */