UBI: fix warnings

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=c18a84186cc05bee19d55823f1a35f4ea91a92d6
Commit:     c18a84186cc05bee19d55823f1a35f4ea91a92d6
Parent:     64203195edf44601d9825284101dcaf7ad54ece8
Author:     Artem Bityutskiy <Artem.Bityutskiy at nokia.com>
AuthorDate: Thu Jan 24 11:19:14 2008 +0200
Committer:  Artem Bityutskiy <Artem.Bityutskiy at nokia.com>
CommitDate: Fri Jan 25 16:41:25 2008 +0200

    UBI: fix warnings
    
    Old gcc complains:
    
    CC      drivers/mtd/ubi/wl.o
    drivers/mtd/ubi/wl.c: In function 'wear_leveling_worker':
    drivers/mtd/ubi/wl.c:746: warning: 'pe' may be used uninitialized in this function
    CC      drivers/mtd/ubi/scan.o
    drivers/mtd/ubi/scan.c: In function 'ubi_scan':
    drivers/mtd/ubi/scan.c:772: warning: 'ec' may be used uninitialized in this function
    drivers/mtd/ubi/scan.c:772: note: 'ec' was declared here
    
    Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy at nokia.com>
---
 drivers/mtd/ubi/scan.c |    2 +-
 drivers/mtd/ubi/wl.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index e476638..6f2680f 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -773,7 +773,7 @@ struct ubi_scan_leb *ubi_scan_get_free_peb(struct ubi_device *ubi,
  */
 static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si, int pnum)
 {
-	long long ec;
+	long long uninitialized_var(ec);
 	int err, bitflips = 0, vol_id, ec_corr = 0;
 
 	dbg_bld("scan PEB %d", pnum);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 8bfb743..a471a49 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -743,7 +743,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
 				int cancel)
 {
 	int err, put = 0, scrubbing = 0, protect = 0;
-	struct ubi_wl_prot_entry *pe;
+	struct ubi_wl_prot_entry *uninitialized_var(pe);
 	struct ubi_wl_entry *e1, *e2;
 	struct ubi_vid_hdr *vid_hdr;