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(parent: fae4280) | patch
media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer()
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Mon, 29 May 2023 05:58:36 +0000 (07:58 +0200)
committerHans Verkuil <hverkuil-cisco@xs4all.nl>
Wed, 19 Jul 2023 10:57:47 +0000 (12:57 +0200)
commitea9ef6c2e001c5dc94bee35ebd1c8a98621cf7b8
treef50709feec7fbe95ab14e7f38834dc33d287a8d1tree | snapshot
parentfae4280ece942b7c02be6d9bcce2873cdea32fe7commit | diff
media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer()

'read' is freed when it is known to be NULL, but not when a read error
occurs.

Revert the logic to avoid a small leak, should a m920x_read() call fail.

Fixes: a2ab06d7c4d6 ("media: m920x: don't use stack on USB reads")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
drivers/media/usb/dvb-usb/m920x.c diff | blob | history
Domain: System / Kernel;