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| author | Patrick Boettcher <pb@linuxtv.org> | 2006-02-07 06:49:12 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2006-02-07 06:49:12 -0200 |
| commit | 123aab28608ac81938865b31db188c985aeb4424 (patch) | |
| tree | 63769587f34e3b7f8eeb839cb6eb1a0074b9adb8 /drivers | |
| parent | fb51fd2d345021d0cc34848319f4efa75c9e1daa (diff) | |
| download | linux-123aab28608ac81938865b31db188c985aeb4424.tar.gz linux-123aab28608ac81938865b31db188c985aeb4424.tar.xz | |
V4L/DVB (3312): FIX: Multiple usage of VP7045-based devices
Reassigning function pointers in a static led to infinite loops when using
multiple VP7045-based device at the same time on one system. Using kmalloc'd
copies for reassignments is better.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/vp7045-fe.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp7045-fe.c b/drivers/media/dvb/dvb-usb/vp7045-fe.c index 5242cca5db4a..9999336aeeb6 100644 --- a/drivers/media/dvb/dvb-usb/vp7045-fe.c +++ b/drivers/media/dvb/dvb-usb/vp7045-fe.c @@ -23,10 +23,11 @@ struct vp7045_fe_state { struct dvb_frontend fe; + struct dvb_frontend_ops ops; + struct dvb_usb_device *d; }; - static int vp7045_fe_read_status(struct dvb_frontend* fe, fe_status_t *status) { struct vp7045_fe_state *state = fe->demodulator_priv; @@ -150,7 +151,8 @@ struct dvb_frontend * vp7045_fe_attach(struct dvb_usb_device *d) goto error; s->d = d; - s->fe.ops = &vp7045_fe_ops; + memcpy(&s->ops, &vp7045_fe_ops, sizeof(struct dvb_frontend_ops)); + s->fe.ops = &s->ops; s->fe.demodulator_priv = s; goto success; |