From 62bdbb735c0415c2ffdddc2269a860a76f7f716a Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 6 Feb 2010 05:43:58 -0300 Subject: [PATCH] V4L/DVB: drivers/media: Correct NULL test In each case, the NULL test has been performed already. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @r@ expression *x; expression e; identifier l; @@ if (x == NULL || ...) { ... when forall return ...; } ... when != goto l; when != x = e when != &x *x == NULL // Signed-off-by: Julia Lawall Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stv0900_core.c | 5 ----- drivers/media/video/cpia.c | 3 --- 2 files changed, 8 deletions(-) diff --git a/drivers/media/dvb/frontends/stv0900_core.c b/drivers/media/dvb/frontends/stv0900_core.c index e5791b2b913b..01f8f1f802fd 100644 --- a/drivers/media/dvb/frontends/stv0900_core.c +++ b/drivers/media/dvb/frontends/stv0900_core.c @@ -1417,11 +1417,6 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, return error; } - if (state->internal == NULL) { - error = STV0900_INVALID_HANDLE; - return error; - } - intp = state->internal; intp->demod_mode = p_init->demod_mode; diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index 551ddf216a4b..933ae4c8cb9a 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -3737,9 +3737,6 @@ static int cpia_mmap(struct file *file, struct vm_area_struct *vma) if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE) return -EINVAL; - if (!cam || !cam->ops) - return -ENODEV; - /* make this _really_ smp-safe */ if (mutex_lock_interruptible(&cam->busy_lock)) return -EINTR;