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| author | Jean-Francois Moine <moinejf@free.fr> | 2009-12-26 12:41:17 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-01-17 14:31:36 +0100 |
| commit | 9501843496aaf85fe1767b534c4720622c4425c4 (patch) | |
| tree | abf8f276dd2561fadd9358906256230d266b57eb | |
| parent | V4L/DVB (13868): gspca - sn9c20x: Fix test of unsigned. (diff) | |
| download | linux-9501843496aaf85fe1767b534c4720622c4425c4.tar.xz linux-9501843496aaf85fe1767b534c4720622c4425c4.zip | |
V4L/DVB (13875): gspca - vc032x: Fix a possible crash with the vc0321 bridge.
The frame pointer returned by get_i_frame may be NULL when the application
is too slow.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/gspca/vc032x.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c index c090efcd8045..71921c878424 100644 --- a/drivers/media/video/gspca/vc032x.c +++ b/drivers/media/video/gspca/vc032x.c @@ -3009,6 +3009,10 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, int l; frame = gspca_get_i_frame(gspca_dev); + if (frame == NULL) { + gspca_dev->last_packet_type = DISCARD_PACKET; + return; + } l = frame->data_end - frame->data; if (len > frame->v4l2_buf.length - l) len = frame->v4l2_buf.length - l; |