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authorAl Viro <viro@zeniv.linux.org.uk>2012-04-22 03:35:28 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-05-21 23:52:39 -0400
commit188f677f84e935f83e3d539d6e8808006f6ac62f (patch)
tree7fece57bab86bf31d46076322285bf639df8f401 /arch/xtensa
parentf2ccfb3e565f51f1063d68f119d5b42a7f5fd984 (diff)
downloadlinux-188f677f84e935f83e3d539d6e8808006f6ac62f.tar.bz2
xtensa: ->restart_block.fn needs to be reset on rt_sigreturn
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/kernel/signal.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index d78869a00b11..44e9329a6484 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -248,6 +248,9 @@ asmlinkage long xtensa_rt_sigreturn(long a0, long a1, long a2, long a3,
sigset_t set;
int ret;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
if (regs->depc > 64)
panic("rt_sigreturn in double exception!\n");