1 files changed, 3 insertions, 7 deletions

diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
index 9abddde372ab..24103fa57b54 100644
--- a/arch/powerpc/include/asm/ftrace.h
+++ b/arch/powerpc/include/asm/ftrace.h
@@ -73,13 +73,9 @@ struct dyn_arch_ftrace {
 #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
 static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
 {
-        /*
-         * Compare the symbol name with the system call name. Skip the .sys or .SyS
-         * prefix from the symbol name and the sys prefix from the system call name and
-         * just match the rest. This is only needed on ppc64 since symbol names on
-         * 32bit do not start with a period so the generic function will work.
-         */
-        return !strcmp(sym + 4, name + 3);
+        /* We need to skip past the initial dot, and the __se_sys alias */
+        return !strcmp(sym + 1, name) ||
+                (!strncmp(sym, ".__se_sys", 9) && !strcmp(sym + 6, name));
 }
 #endif
 #endif /* CONFIG_FTRACE_SYSCALLS && !__ASSEMBLY__ */