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uml: code tidying under arch/um/os-Linux

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This patch contains varied fixes and improvements for some files under
arch/um/os-Linux/, such as a typo fix in a perror message, a missing
argument fix for a printf, some constifying for pointers and so on.

[ jdike - made sigprocmask failure return -errno instead of -1 ]

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
WANG Cong
2008-02-04 22:30:35 -08:00
committed by Linus Torvalds
parent 4d18de45fa
commit c9a3072d13
6 changed files with 28 additions and 20 deletions
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3
arch/um/os-Linux/signal.c
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@@ -183,7 +183,8 @@ int change_sig(int signal, int on)
sigemptyset(&sigset);
sigaddset(&sigset, signal);
sigprocmask(on ? SIG_UNBLOCK : SIG_BLOCK, &sigset, &old);
if (sigprocmask(on ? SIG_UNBLOCK : SIG_BLOCK, &sigset, &old) < 0)
return -errno;
return !sigismember(&old, signal);
}