Blackfin: delete fork func
We don't implement fork() since we are no-mmu, so redirect it to the
existing ENOSYS stub rather than adding a custom EINVAL one.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index 75ec9df..3287222 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -11,7 +11,7 @@
*/
#define __NR_restart_syscall 0
#define __NR_exit 1
-#define __NR_fork 2
+ /* 2 __NR_fork not supported on nommu */
#define __NR_read 3
#define __NR_write 4
#define __NR_open 5
diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S
index 686478f..f33792c 100644
--- a/arch/blackfin/kernel/entry.S
+++ b/arch/blackfin/kernel/entry.S
@@ -64,16 +64,6 @@
jump (p0);
ENDPROC(_ret_from_fork)
-ENTRY(_sys_fork)
- r0 = -EINVAL;
-#if (ANOMALY_05000371)
- nop;
- nop;
- nop;
-#endif
- rts;
-ENDPROC(_sys_fork)
-
ENTRY(_sys_vfork)
r0 = sp;
r0 += 24;
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 84b5e3d..80aa253 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1377,7 +1377,7 @@
ENTRY(_sys_call_table)
.long _sys_restart_syscall /* 0 */
.long _sys_exit
- .long _sys_fork
+ .long _sys_ni_syscall /* fork */
.long _sys_read
.long _sys_write
.long _sys_open /* 5 */