mtd: nftl: reorganize operations in condition check

We need to compare ret variable for negative value. The current code
assigns the boolean to the ret and prints it wrongly in the warning
message.

Reported-by: Andrey Karpov <karpov@viva64.com>
Cc: Giel van Schijndel <me@mortis.eu>
Cc: Dimitri Gorokhovik <dimitri.gorokhovik@free.fr>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
index 51b9d6af307f616193ebc006b492a5fecedd535b..a5dfbfbebfcafe7a2d4b7161a186cea565fe9ff1 100644 (file)
--- a/drivers/mtd/nftlmount.c
+++ b/drivers/mtd/nftlmount.c
@@ -89,9 +89,10 @@ static int find_boot_record(struct NFTLrecord *nftl)
                }
 
                /* To be safer with BIOS, also use erase mark as discriminant */
-               if ((ret = nftl_read_oob(mtd, block * nftl->EraseSize +
+               ret = nftl_read_oob(mtd, block * nftl->EraseSize +
                                         SECTORSIZE + 8, 8, &retlen,
-                                        (char *)&h1) < 0)) {
+                                        (char *)&h1);
+               if (ret < 0) {
                        printk(KERN_WARNING "ANAND header found at 0x%x in mtd%d, but OOB data read failed (err %d)\n",
                               block * nftl->EraseSize, nftl->mbd.mtd->index, ret);
                        continue;
@@ -109,8 +110,9 @@ static int find_boot_record(struct NFTLrecord *nftl)
                }
 
                /* Finally reread to check ECC */
-               if ((ret = mtd->read(mtd, block * nftl->EraseSize, SECTORSIZE,
-                                    &retlen, buf) < 0)) {
+               ret = mtd->read(mtd, block * nftl->EraseSize, SECTORSIZE,
+                               &retlen, buf);
+               if (ret < 0) {
                        printk(KERN_NOTICE "ANAND header found at 0x%x in mtd%d, but ECC read failed (err %d)\n",
                               block * nftl->EraseSize, nftl->mbd.mtd->index, ret);
                        continue;
@@ -228,9 +230,11 @@ device is already correct.
 The new DiskOnChip driver already scanned the bad block table.  Just query it.
                        if ((i & (SECTORSIZE - 1)) == 0) {
                                /* read one sector for every SECTORSIZE of blocks */
-                               if ((ret = mtd->read(nftl->mbd.mtd, block * nftl->EraseSize +
-                                                    i + SECTORSIZE, SECTORSIZE, &retlen,
-                                                    buf)) < 0) {
+                               ret = mtd->read(nftl->mbd.mtd,
+                                               block * nftl->EraseSize + i +
+                                               SECTORSIZE, SECTORSIZE,
+                                               &retlen, buf);
+                               if (ret < 0) {
                                        printk(KERN_NOTICE "Read of bad sector table failed (err %d)\n",
                                               ret);
                                        kfree(nftl->ReplUnitTable);