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 <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Slaby <[email protected]>
Cc: [email protected]
Cc: Michael Tautschnig <[email protected]>
Reviewed-by: Thomas Gleixner <[email protected]>
Signed-off-by: Dominik Brodowski <[email protected]>

0 files changed, 0 insertions, 0 deletions