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-rw-r--r--arch/powerpc/include/asm/code-patching.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index abef812de7f8..5482928eea1b 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -83,8 +83,16 @@ static inline unsigned long ppc_function_entry(void *func)
* On PPC64 ABIv1 the function pointer actually points to the
* function's descriptor. The first entry in the descriptor is the
* address of the function text.
+ *
+ * However, we may also receive pointer to an assembly symbol. To
+ * detect that, we first check if the function pointer we receive
+ * already points to kernel/module text and we only dereference it
+ * if it doesn't.
*/
- return ((func_descr_t *)func)->entry;
+ if (kernel_text_address((unsigned long)func))
+ return (unsigned long)func;
+ else
+ return ((func_descr_t *)func)->entry;
#else
return (unsigned long)func;
#endif