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Fix up more fallout form alpha signal cleanups

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Commit c52c2ddc1d ("alpha: switch osf_sigprocmask() to use of
sigprocmask()") had several problems.  The more obvious compile issues
got fixed in commit 0f44fbd297 ("alpha: fix compile problem in
arch/alpha/kernel/signal.c"), but it also caused a regression.

Since _BLOCKABLE is already the set of signals that can be blocked, the
code should do "newmask & _BLOCKABLE" rather than inverting _BLOCKABLE
before masking.

Reported-by: Michael Cree <[email protected]>
Patch-by: Al Viro <[email protected]>
Patch-by: Ivan Kokshaysky <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Linus Torvalds 2010-09-30 08:37:38 -07:00
commit 87400e5406
1 changed files with 1 additions and 1 deletions
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2
arch/alpha/kernel/signal.c
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@ -48,7 +48,7 @@ SYSCALL_DEFINE2(osf_sigprocmask, int, how, unsigned long, newmask)
sigset_t mask;
unsigned long res;
siginitset(&mask, newmask & ~_BLOCKABLE);
siginitset(&mask, newmask & _BLOCKABLE);
res = sigprocmask(how, &mask, &oldmask);
if (!res) {
force_successful_syscall_return();