diff options
| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-03-22 08:29:36 +0100 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2018-04-02 20:16:13 +0200 |
| commit | 025bd3905acab2cdfeb1a521491bee5e33a8fc90 (patch) | |
| tree | f9a1b30eb48b0651897f043724b3ae3be62a7d8e /arch/x86 | |
| parent | 66f4e88cc69da7d9ec4d68cf370cc69742d4af81 (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')
| -rw-r--r-- | arch/x86/include/asm/syscalls.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/signal.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 1c0bebbd039e..ae6e05fdc24b 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -35,7 +35,7 @@ asmlinkage long sys_get_thread_area(struct user_desc __user *); #ifdef CONFIG_X86_32 /* kernel/signal.c */ -asmlinkage unsigned long sys_sigreturn(void); +asmlinkage long sys_sigreturn(void); /* kernel/vm86_32.c */ struct vm86_struct; 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; |