Dan Williams: imsm: fix a -O2 build warning

[Martin F. Krafft]

Module: mdadm
Branch: master
Commit: 569cc43ffb0634510defee91407d261555c7a991
URL:    http://git.debian.org/?p=pkg-mdadm/mdadm.git;a=commit;h=569cc43ffb0634510defee91407d261555c7a991

Author: Dan Williams <dan.j.williams at intel.com>
Date:   Tue Jul  6 12:48:59 2010 -0700

imsm: fix a -O2 build warning

super-intel.c: In function ‘imsm_add_spare’:
super-intel.c:4833: error: ‘array_start’ may be used uninitialized in this function
super-intel.c:4834: error: ‘array_end’ may be used uninitialized in this function

This is valid, if we don't find a spare candidate then array_{start,end}
will be uninitialized.

Signed-off-by: Dan Williams <dan.j.williams at intel.com>

---

 super-intel.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/super-intel.c b/super-intel.c
index daf811f..6826d9b 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -4830,8 +4830,8 @@ static struct dl *imsm_add_spare(struct intel_super *super, int slot,
 	struct extent *ex;
 	int i, j;
 	int found;
-	__u32 array_start;
-	__u32 array_end;
+	__u32 array_start = 0;
+	__u32 array_end = 0;
 	struct dl *dl;
 
 	for (dl = super->disks; dl; dl = dl->next) {