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Subject[PATCH 2.6.19] drivers/media/video/cpia2/cpia2_usb.c: Free previously allocated memory (in array elements) if kmalloc() returns NULL.
Description: Free previously allocated memory (in array elements) if kmalloc() returns NULL, in function submit_urbs(), in file drivers/media/video/cpia2/cpia2_usb.c. If the system is low on memory, then previously allocated memory in the same array should be freed up to help the system recover.

Signed-off-by: Amit Choudhary <amit2030@gmail.com>

diff --git a/drivers/media/video/cpia2/cpia2_usb.c b/drivers/media/video/cpia2/cpia2_usb.c
index 28dc6a1..c938638 100644
--- a/drivers/media/video/cpia2/cpia2_usb.c
+++ b/drivers/media/video/cpia2/cpia2_usb.c
@@ -640,6 +640,10 @@ static int submit_urbs(struct camera_dat
cam->sbuf[i].data =
kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL);
if (!cam->sbuf[i].data) {
+ for (--i; i >= 0; i--) {
+ kfree(cam->sbuf[i].data);
+ cam->sbuf[i].data = NULL;
+ }
return -ENOMEM;
}
}
-
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