um/ptrace: Fix the syscall number update after a ptrace

[cascardo/linux.git] / arch / um / kernel / skas / syscall.c

diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index 0728fee..b783ac8 100644 (file)
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -27,12 +27,7 @@ void handle_syscall(struct uml_pt_regs *r)
        if (secure_computing(NULL) == -1)
                goto out;
 
-       /* Update the syscall number after orig_ax has potentially been updated
-        * with ptrace.
-        */
-       UPT_SYSCALL_NR(r) = PT_SYSCALL_NR(r->gp);
        syscall = UPT_SYSCALL_NR(r);
-
        if (syscall >= 0 && syscall <= __NR_syscall_max)
                PT_REGS_SET_SYSCALL_RETURN(regs,
                                EXECUTE_SYSCALL(syscall, regs));