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author | Chengfeng Ye <cyeaa@connect.ust.hk> | 2021-10-24 03:46:11 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-26 11:58:43 +0100 |
commit | 3e28e083dcdf03a18a083f8a47b6bb6b1604b5be (patch) | |
tree | 867a95e7d473340626ed3471d85f0480d5d15537 /arch | |
parent | fc4c685394e64194315ead9c546f0c37f569f540 (diff) |
ALSA: gus: fix null pointer dereference on pointer block
[ Upstream commit a0d21bb3279476c777434c40d969ea88ca64f9aa ]
The pointer block return from snd_gf1_dma_next_block could be
null, so there is a potential null pointer dereference issue.
Fix this by adding a null check before dereference.
Signed-off-by: Chengfeng Ye <cyeaa@connect.ust.hk>
Link: https://lore.kernel.org/r/20211024104611.9919-1-cyeaa@connect.ust.hk
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions