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authorAl Viro <viro@zeniv.linux.org.uk>2012-11-20 10:41:11 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-11-28 21:46:12 -0500
commit02232f8d2b22708f0651dc515544f4a7ef1e0224 (patch)
tree600e8848f756ad5731781d7df34d784b83be9251 /arch/microblaze/kernel
parentafd3f96dc34357584763c2dc453192c78a9dbce0 (diff)
downloadlinux-linaro-stable-02232f8d2b22708f0651dc515544f4a7ef1e0224.tar.gz
microblaze: rt_sigreturn is too trigger-happy about sigaltstack errors
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/microblaze/kernel')
-rw-r--r--arch/microblaze/kernel/signal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 3847e5b9c601..3903e3d11f5a 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -111,7 +111,7 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->r1))
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->r1) == -EFAULT)
goto badframe;
return rval;