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| author | Rui Miguel Silva <rmfrfs@gmail.com> | 2024-03-25 22:09:55 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-12 11:12:13 +0200 |
| commit | 518e2c46b5dbce40b1aa0100001d03c3ceaa7d38 (patch) | |
| tree | 177701185a4564f9f6abfcc4f8e6558bd392c30d /drivers/fpga/fpga-mgr.c | |
| parent | fe92a949b26400c7f3f2ea53310fd378e57b99ca (diff) | |
greybus: lights: check return of get_channel_from_mode
[ Upstream commit a1ba19a1ae7cd1e324685ded4ab563e78fe68648 ]
If channel for the given node is not found we return null from
get_channel_from_mode. Make sure we validate the return pointer
before using it in two of the missing places.
This was originally reported in [0]:
Found by Linux Verification Center (linuxtesting.org) with SVACE.
[0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru
Fixes: 2870b52bae4c ("greybus: lights: add lights implementation")
Reported-by: Mikhail Lobanov <m.lobanov@rosalinux.ru>
Suggested-by: Mikhail Lobanov <m.lobanov@rosalinux.ru>
Suggested-by: Alex Elder <elder@ieee.org>
Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Link: https://lore.kernel.org/r/20240325221549.2185265-1-rmfrfs@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/fpga/fpga-mgr.c')
0 files changed, 0 insertions, 0 deletions