diff options
| author | roel kluin <roel.kluin@gmail.com> | 2009-01-06 14:42:36 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:27 -0800 |
| commit | c00b1b7d19d335f96aa03ef2e4e71b7fb4fdb056 (patch) | |
| tree | 8980fe4965fcc0e4f6f36c538729c08b0eead697 | |
| parent | fd002050becd888e4dab419aa59a6484afe1d00b (diff) | |
sm501: unsigned ptr cannot be negative
unsigned ptr cannot be negative
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/video/sm501fb.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index f94ae84a58cd..dcd98793d568 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -159,6 +159,9 @@ static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, break; case SM501_MEMF_PANEL: + if (size > inf->fbmem_len) + return -ENOMEM; + ptr = inf->fbmem_len - size; fbi = inf->fb[HEAD_CRT]; @@ -172,9 +175,6 @@ static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, if (fbi && ptr < fbi->fix.smem_len) return -ENOMEM; - if (ptr < 0) - return -ENOMEM; - break; case SM501_MEMF_CRT: |