UBI: gluebi: rename misleading variables

Both names 'total_read' and 'total_written' are actually used
as the number of bytes left to read and write.
Fix this confusion by renaming both to 'bytes_left'.

Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c
index 4bd4db8c84c96cd4c925d59b567eaa39f72c92e2..b93807b4c45966f2b3cdeef1e55c4c237e1bbd3c 100644 (file)
--- a/drivers/mtd/ubi/gluebi.c
+++ b/drivers/mtd/ubi/gluebi.c
@@ -171,17 +171,17 @@ static void gluebi_put_device(struct mtd_info *mtd)
 static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len,
                       size_t *retlen, unsigned char *buf)
 {
-       int err = 0, lnum, offs, total_read;
+       int err = 0, lnum, offs, bytes_left;
        struct gluebi_device *gluebi;
 
        gluebi = container_of(mtd, struct gluebi_device, mtd);
        lnum = div_u64_rem(from, mtd->erasesize, &offs);
-       total_read = len;
-       while (total_read) {
+       bytes_left = len;
+       while (bytes_left) {
                size_t to_read = mtd->erasesize - offs;
 
-               if (to_read > total_read)
-                       to_read = total_read;
+               if (to_read > bytes_left)
+                       to_read = bytes_left;
 
                err = ubi_read(gluebi->desc, lnum, buf, offs, to_read);
                if (err)
@@ -189,11 +189,11 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len,
 
                lnum += 1;
                offs = 0;
-               total_read -= to_read;
+               bytes_left -= to_read;
                buf += to_read;
        }
 
-       *retlen = len - total_read;
+       *retlen = len - bytes_left;
        return err;
 }
 
@@ -211,7 +211,7 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len,
 static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len,
                        size_t *retlen, const u_char *buf)
 {
-       int err = 0, lnum, offs, total_written;
+       int err = 0, lnum, offs, bytes_left;
        struct gluebi_device *gluebi;
 
        gluebi = container_of(mtd, struct gluebi_device, mtd);
@@ -220,12 +220,12 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len,
        if (len % mtd->writesize || offs % mtd->writesize)
                return -EINVAL;
 
-       total_written = len;
-       while (total_written) {
+       bytes_left = len;
+       while (bytes_left) {
                size_t to_write = mtd->erasesize - offs;
 
-               if (to_write > total_written)
-                       to_write = total_written;
+               if (to_write > bytes_left)
+                       to_write = bytes_left;
 
                err = ubi_leb_write(gluebi->desc, lnum, buf, offs, to_write);
                if (err)
@@ -233,11 +233,11 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len,
 
                lnum += 1;
                offs = 0;
-               total_written -= to_write;
+               bytes_left -= to_write;
                buf += to_write;
        }
 
-       *retlen = len - total_written;
+       *retlen = len - bytes_left;
        return err;
 }