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media: usb: cx231xx-417: fix a memory leak bug 

In cx231xx_load_firmware(), 'p_buffer' is allocated through vmalloc() to
hold the firmware. However, after the usage, it is not deallocated, leading
to a memory leak bug.

Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Wenwen Wang 2019-08-17 03:14:54 -03:00 committed by Mauro Carvalho Chehab
parent 1c770f0f52
commit 725a28290a
1 changed files with 1 additions and 0 deletions
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1
drivers/media/usb/cx231xx/cx231xx-417.c
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@ -1051,6 +1051,7 @@ static int cx231xx_load_firmware(struct cx231xx *dev)
p_current_fw = p_fw;
vfree(p_current_fw);
p_current_fw = NULL;
vfree(p_buffer);
uninitGPIO(dev);
release_firmware(firmware);
dprintk(1, "Firmware upload successful.\n");