parisc: Fix ptrace syscall number and return value modification

[firefly-linux-kernel-4.4.55.git] / arch / parisc / kernel / syscall.S

diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 3fbd7252a4b27efd106250f5b21e98910f8af8bd..fbafa0d0e2bf865db726d15f9c4beb4817afe86c 100644 (file)
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -343,7 +343,7 @@ tracesys_next:
 #endif
 
        comiclr,>>=     __NR_Linux_syscalls, %r20, %r0
-       b,n     .Lsyscall_nosys
+       b,n     .Ltracesys_nosys
 
        LDREGX  %r20(%r19), %r19
 
@@ -359,6 +359,9 @@ tracesys_next:
        be      0(%sr7,%r19)
        ldo     R%tracesys_exit(%r2),%r2
 
+.Ltracesys_nosys:
+       ldo     -ENOSYS(%r0),%r28               /* set errno */
+
        /* Do *not* call this function on the gateway page, because it
        makes a direct call to syscall_trace. */