[PATCH 3.2 106/147] edac: i7300_edac: Fix 'may be used uninitialized' warning

[Ben Hutchings]

3.2.95-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>

gcc 4.7 warns that nr_pages may be used uninitialized in
i7300_init_csrows().  In fact, the case where it's not initialised is
an error that will result in returning early without using it.
Silence the warning by initialising to 0.

This was done upstream as part of commit 084a4fccef39 "edac: move dimm
properties to struct dimm_info".

Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -803,6 +803,7 @@ static int i7300_init_csrows(struct mem_
 	}
 
 	/* Get the set of MTR[0-7] regs by each branch */
+	nr_pages = 0;
 	for (slot = 0; slot < MAX_SLOTS; slot++) {
 		int where = mtr_regs[slot];
 		for (branch = 0; branch < MAX_BRANCHES; branch++) {