media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer()

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'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: a2ab06d7c4 ("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>

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Christophe JAILLET 2023-05-29 07:58:36 +02:00 • committed by Hans Verkuil

parent fae4280ece

commit ea9ef6c2e0

1 changed files with 3 additions and 2 deletions

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drivers/media/usb/dvb-usb/m920x.c

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