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| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2014-11-01 01:40:47 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-11-06 16:41:36 +0200 |
| commit | 816764859a5347315cb2f1578cf0252ee129c128 (patch) | |
| tree | e8a065da665352fcbc1b63712b80651f75fd07da /drivers/video/fbdev/amba-clcd.c | |
| parent | d301a5ac1688bf99039adb10b4516b465f1f7a83 (diff) | |
| download | op-kernel-dev-816764859a5347315cb2f1578cf0252ee129c128.zip op-kernel-dev-816764859a5347315cb2f1578cf0252ee129c128.tar.gz | |
m501fb: don't return zero on failure path in sm501fb_probe()
If no framebuffers found, sm501fb_probe() breaks off initialization,
deallocates sm501fb_info, but returns zero. As a result, use after free
can happen in sm501fb_remove().
The patch adds -ENODEV as a return value in this case.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/fbdev/amba-clcd.c')
0 files changed, 0 insertions, 0 deletions
