powerpc: Make ftrace endian-safe.

Signed-off-by: Eugene Surovegin <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]>
cbmeeks · Oct 11, 2013 · 3064743 · 3064743
1 parent fed8393
commit 3064743
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
@@ -174,7 +174,11 @@ __ftrace_make_nop(struct module *mod,
 
 	pr_devel(" %08x %08x\n", jmp[0], jmp[1]);
 
+#ifdef __LITTLE_ENDIAN__
+	ptr = ((unsigned long)jmp[1] << 32) + jmp[0];
+#else
 	ptr = ((unsigned long)jmp[0] << 32) + jmp[1];
+#endif
 
 	/* This should match what was called */
 	if (ptr != ppc_function_entry((void *)addr)) {