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| author | Oliver Neukum <oliver@neukum.org> | 2009-07-28 11:52:10 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-12 12:18:28 -0300 |
| commit | 085575a325de87b4931a43c9d0a75ca0d3ba5075 (patch) | |
| tree | 9cc12091b7856d6cf3db50f01f4b6c5de3550c8e /drivers/media/video/stv680.c | |
| parent | f5d887ae60ea1b05fcdab65e51e1ef88398ed274 (diff) | |
| download | blackbird-op-linux-085575a325de87b4931a43c9d0a75ca0d3ba5075.tar.gz blackbird-op-linux-085575a325de87b4931a43c9d0a75ca0d3ba5075.zip | |
V4L/DVB (12369): stv680: kfree called before usb_kill_urb
The irq handler will touch memory. Even in the error case some URBs may
complete. Thus no memory must be kfreed before all URBs are killed.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/stv680.c')
| -rw-r--r-- | drivers/media/video/stv680.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c index 8b4e7dafce7b..6a91714125d2 100644 --- a/drivers/media/video/stv680.c +++ b/drivers/media/video/stv680.c @@ -734,10 +734,6 @@ static int stv680_start_stream (struct usb_stv *stv680) return 0; nomem_err: - for (i = 0; i < STV680_NUMSCRATCH; i++) { - kfree(stv680->scratch[i].data); - stv680->scratch[i].data = NULL; - } for (i = 0; i < STV680_NUMSBUF; i++) { usb_kill_urb(stv680->urb[i]); usb_free_urb(stv680->urb[i]); @@ -745,6 +741,11 @@ static int stv680_start_stream (struct usb_stv *stv680) kfree(stv680->sbuf[i].data); stv680->sbuf[i].data = NULL; } + /* used in irq, free only as all URBs are dead */ + for (i = 0; i < STV680_NUMSCRATCH; i++) { + kfree(stv680->scratch[i].data); + stv680->scratch[i].data = NULL; + } return -ENOMEM; } |
