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alpha: syscall exit cleanup

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$ret_success consists of two insn + branch to ret_from_syscall.
The thing is, those insns are identical to the ones immediately
preceding ret_from_syscall...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2021-09-18 18:38:15 -04:00
parent 19a09e4268
commit e778eaeced
1 changed files with 1 additions and 5 deletions
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6
arch/alpha/kernel/entry.S
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@ -478,6 +478,7 @@ entSys:
1: jsr $26, ($27), sys_ni_syscall
ldgp $gp, 0($26)
blt $0, $syscall_error /* the call failed */
$ret_success:
stq $0, 0($sp)
stq $31, 72($sp) /* a3=0 => no error */
@ -527,11 +528,6 @@ $syscall_error:
stq $1, 72($sp) /* a3 for return */
br ret_from_sys_call
$ret_success:
stq $0, 0($sp)
stq $31, 72($sp) /* a3=0 => no error */
br ret_from_sys_call
/*
* Do all cleanup when returning from all interrupts and system calls.
*