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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-09-22 02:04:03 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-22 16:17:43 +0200 |
| commit | d5a6d1739526ed8c383db3dabc232bc15603439a (patch) | |
| tree | 8562c06469f310df7cdd8fe46be428207be839da /arch/m32r/kernel/ptrace.c | |
| parent | alpha: convert to asm-generic/hardirq.h (diff) | |
| download | linux-d5a6d1739526ed8c383db3dabc232bc15603439a.tar.xz linux-d5a6d1739526ed8c383db3dabc232bc15603439a.zip | |
m32r: remove redundant tests on unsigned
`off' and `max_cpus' are unsigned. When negative they are wrapped and
caught by the other test.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m32r/kernel/ptrace.c')
| -rw-r--r-- | arch/m32r/kernel/ptrace.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index 98b8feb12ed8..98682bba0ed9 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -77,7 +77,7 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off, struct user * dummy = NULL; #endif - if ((off & 3) || (off < 0) || (off > sizeof(struct user) - 3)) + if ((off & 3) || off > sizeof(struct user) - 3) return -EIO; off >>= 2; @@ -139,8 +139,7 @@ static int ptrace_write_user(struct task_struct *tsk, unsigned long off, struct user * dummy = NULL; #endif - if ((off & 3) || off < 0 || - off > sizeof(struct user) - 3) + if ((off & 3) || off > sizeof(struct user) - 3) return -EIO; off >>= 2; |