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authorStefan Richter <stefanr@s5r6.in-berlin.de>2008-09-11 19:22:53 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2008-10-15 22:21:09 +0200
commitd98562d12f71284593b3a5db020d6f2655061efe (patch)
treeb6ebacb0acfbc6805ce7cd2cb17d061c2d0c8e23 /drivers
parentf22e52b89e036fd12b9374212da8b5d4a447bd1e (diff)
ieee1394: dv1394, video1394: remove unnecessary expressions
init->channel and v.buffer are unsigned and tests for < 0 therefore always false. gcc knows this and eliminates the code, but anyway... Reported by Roel Kluin. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ieee1394/dv1394.c2
-rw-r--r--drivers/ieee1394/video1394.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index b6eb2cf2591..df70f51279d 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -918,7 +918,7 @@ static int do_dv1394_init(struct video_card *video, struct dv1394_init *init)
/* default SYT offset is 3 cycles */
init->syt_offset = 3;
- if ( (init->channel > 63) || (init->channel < 0) )
+ if (init->channel > 63)
init->channel = 63;
chan_mask = (u64)1 << init->channel;
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 25db6e67fa4..fa9e7d8b51f 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -893,7 +893,7 @@ static long video1394_ioctl(struct file *file,
if (unlikely(d == NULL))
return -EFAULT;
- if (unlikely((v.buffer<0) || (v.buffer>=d->num_desc - 1))) {
+ if (unlikely(v.buffer >= d->num_desc - 1)) {
PRINT(KERN_ERR, ohci->host->id,
"Buffer %d out of range",v.buffer);
return -EINVAL;
@@ -959,7 +959,7 @@ static long video1394_ioctl(struct file *file,
if (unlikely(d == NULL))
return -EFAULT;
- if (unlikely((v.buffer<0) || (v.buffer>d->num_desc - 1))) {
+ if (unlikely(v.buffer > d->num_desc - 1)) {
PRINT(KERN_ERR, ohci->host->id,
"Buffer %d out of range",v.buffer);
return -EINVAL;
@@ -1030,7 +1030,7 @@ static long video1394_ioctl(struct file *file,
d = find_ctx(&ctx->context_list, OHCI_ISO_TRANSMIT, v.channel);
if (d == NULL) return -EFAULT;
- if ((v.buffer<0) || (v.buffer>=d->num_desc - 1)) {
+ if (v.buffer >= d->num_desc - 1) {
PRINT(KERN_ERR, ohci->host->id,
"Buffer %d out of range",v.buffer);
return -EINVAL;
@@ -1137,7 +1137,7 @@ static long video1394_ioctl(struct file *file,
d = find_ctx(&ctx->context_list, OHCI_ISO_TRANSMIT, v.channel);
if (d == NULL) return -EFAULT;
- if ((v.buffer<0) || (v.buffer>=d->num_desc-1)) {
+ if (v.buffer >= d->num_desc - 1) {
PRINT(KERN_ERR, ohci->host->id,
"Buffer %d out of range",v.buffer);
return -EINVAL;