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Revert "um: Fix get_signal() usage"

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Commit db2f24dc240856fb1d78005307f1523b7b3c121b
was plain wrong. I did not realize the we are
allowed to loop here.
In fact we have to loop and must not return to userspace
before all SIGSEGVs have been delivered.
Other archs do this directly in their entry code, UML
does it here.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Richard Weinberger 2016-01-25 23:33:30 +01:00
parent fc77dbd34c
commit 322740efbb
1 changed files with 1 additions and 1 deletions
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2
arch/um/kernel/signal.c
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@ -69,7 +69,7 @@ void do_signal(struct pt_regs *regs)
struct ksignal ksig;
int handled_sig = 0;
if (get_signal(&ksig)) {
while (get_signal(&ksig)) {
handled_sig = 1;
/* Whee! Actually deliver the signal. */
handle_signal(&ksig, regs);