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@nokia.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index e47663870501..6f2680f423fe 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 8bfb7434c993..a471a491f0ab 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;