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ce9c22443e
When compiling this for older kernels using the compatibility build
the compiler complains about uninitialized variables:
In file included from include/linux/kernel.h:20:0,
from include/linux/cache.h:4,
from include/linux/time.h:7,
from include/linux/input.h:13,
from /home/hans/work/build/media_build/v4l/compat.h:9,
from <command-line>:0:
/home/hans/work/build/media_build/v4l/videobuf2-core.c: In function 'vb2_mmap':
include/linux/dynamic_debug.h:60:9: warning: 'plane' may be used uninitialized in this function [-Wmaybe-uninitialized]
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
^
/home/hans/work/build/media_build/v4l/videobuf2-core.c:2381:23: note: 'plane' was declared here
unsigned int buffer, plane;
^
In file included from include/linux/kernel.h:20:0,
from include/linux/cache.h:4,
from include/linux/time.h:7,
from include/linux/input.h:13,
from /home/hans/work/build/media_build/v4l/compat.h:9,
from <command-line>:0:
include/linux/dynamic_debug.h:60:9: warning: 'buffer' may be used uninitialized in this function [-Wmaybe-uninitialized]
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
^
/home/hans/work/build/media_build/v4l/videobuf2-core.c:2381:15: note: 'buffer' was declared here
unsigned int buffer, plane;
^
While these warnings are bogus (the call to __find_plane_by_offset will
set buffer and plane), it doesn't hurt to initialize these variables.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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|---|---|---|
| .. | ||
| common | ||
| dvb-core | ||
| dvb-frontends | ||
| firewire | ||
| i2c | ||
| mmc | ||
| parport | ||
| pci | ||
| platform | ||
| radio | ||
| rc | ||
| tuners | ||
| usb | ||
| v4l2-core | ||
| Kconfig | ||
| Makefile | ||
| media-device.c | ||
| media-devnode.c | ||
| media-entity.c | ||