[PATCH] mm/memory.c: remove warning from an uninitialized spinlock. was: Re: 2.6.21-rc7-mm2

Borislav Petkov
2007-04-26T19:01:14Z

Remove build warning mm/memory.c:1491: warning: 'ptl' may be used uninitialized in this function.
The spinlock pointer is assigned to null since it gets overwritten right away in
pte_alloc_map_lock().

Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
---

Index: linux-mm/mm/memory.c
===================================================================
--- linux-mm.orig/mm/memory.c 2007-04-26 19:57:14.000000000 +0200
+++ linux-mm/mm/memory.c 2007-04-26 20:00:30.000000000 +0200
@@ -1488,7 +1488,7 @@
pte_t *pte;
int err;
struct page *pmd_page;
- spinlock_t *ptl;
+ spinlock_t *ptl = NULL;

pte = (mm == &init_mm) ?
pte_alloc_kernel(pmd, addr) :

--
Regards/Gruß,
Boris.