[SPARC]: Fix syscall return value errno comparison.

This was hosing all restart block handling.

Noticed by Richard Mortimer.
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/entry.S

@@ -1508,7 +1508,7 @@ syscall_is_too_hard:
 	.globl	ret_sys_call
 ret_sys_call:
 	ld	[%curptr + TI_FLAGS], %l6
-	cmp	%o0, -ENOIOCTLCMD
+	cmp	%o0, -ERESTART_RESTARTBLOCK
 	ld	[%sp + STACKFRAME_SZ + PT_PSR], %g3
 	set	PSR_C, %g2
 	bgeu	1f
@@ -1587,7 +1587,7 @@ solaris_syscall:
 
 	st	%o0, [%sp + STACKFRAME_SZ + PT_I0]
 	set	PSR_C, %g2
-	cmp	%o0, -ENOIOCTLCMD
+	cmp	%o0, -ERESTART_RESTARTBLOCK
 	bgeu	1f
 	 ld	[%sp + STACKFRAME_SZ + PT_PSR], %g3
 
@@ -1678,7 +1678,7 @@ bsd_is_too_hard:
 
 	st	%o0, [%sp + STACKFRAME_SZ + PT_I0]
 	set	PSR_C, %g2
-	cmp	%o0, -ENOIOCTLCMD
+	cmp	%o0, -ERESTART_RESTARTBLOCK
 	bgeu	1f
 	 ld	[%sp + STACKFRAME_SZ + PT_PSR], %g3
 

arch/sparc64/kernel/entry.S

@@ -1778,7 +1778,7 @@ ret_sys_call:
 	 stx		%l0, [%curptr + TI_FLAGS]
 
 1:
-	cmp		%o0, -ENOIOCTLCMD
+	cmp		%o0, -ERESTART_RESTARTBLOCK
 	bgeu,pn		%xcc, 1f
 	 andcc		%l0, _TIF_SYSCALL_TRACE, %l6	
 80:

arch/sparc64/solaris/entry64.S

@@ -109,7 +109,7 @@ ret_from_solaris:
 	sra		%o0, 0, %o0
 	mov		%ulo(TSTATE_XCARRY | TSTATE_ICARRY), %g2
 	ldx		[%sp + PTREGS_OFF + PT_V9_TSTATE], %g3
-	cmp		%o0, -ENOIOCTLCMD
+	cmp		%o0, -ERESTART_RESTARTBLOCK
 	sllx		%g2, 32, %g2
 	bgeu,pn		%xcc, 1f
 	 andcc		%l6, _TIF_SYSCALL_TRACE, %l6