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authorDominik Brodowski2018-03-22 08:29:36 +0100
committerDominik Brodowski2018-04-02 20:16:13 +0200
commit025bd3905acab2cdfeb1a521491bee5e33a8fc90 (patch)
treef9a1b30eb48b0651897f043724b3ae3be62a7d8e /arch/x86/kernel
parent66f4e88cc69da7d9ec4d68cf370cc69742d4af81 (diff)
x86: fix sys_sigreturn() return type to be long, not unsigned long
Same as with other system calls, sys_sigreturn() should return a value of type long, not unsigned long. This also matches the behaviour for IA32_EMULATION, see sys32_sigreturn() in arch/x86/ia32/ia32_signal.c . Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Slaby <jslaby@suse.com> Cc: x86@kernel.org Cc: Michael Tautschnig <tautschn@amazon.co.uk> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/signal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 4cdc0b27ec82..83a26726b689 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -601,7 +601,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig,
* Do a signal return; undo the signal stack.
*/
#ifdef CONFIG_X86_32
-asmlinkage unsigned long sys_sigreturn(void)
+asmlinkage long sys_sigreturn(void)
{
struct pt_regs *regs = current_pt_regs();
struct sigframe __user *frame;