media: vidtv: mux: Add check and kfree for kstrdup

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[ Upstream commit 1fd6eb1264 ]

Add check for the return value of kstrdup() and return the error
if it fails in order to avoid NULL pointer dereference.
Moreover, use kfree() in the later error handling in order to avoid
memory leak.

Fixes: c2f78f0cb2 ("media: vidtv: psi: add a Network Information Table (NIT)")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jiasheng Jiang 2023-06-19 16:12:02 +08:00 • committed by Greg Kroah-Hartman

parent 5c26aae372

commit a254ee1ddc

1 changed files with 6 additions and 1 deletions

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drivers/media/test-drivers/vidtv/vidtv_mux.c

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