Merge branch 'master' of git://git.denx.de/u-boot-usb

[karo-tx-uboot.git] / fs / ext4 / dev.c

diff --git a/fs/ext4/dev.c b/fs/ext4/dev.c
index e0b513a4efb9f595ccec817bd5cce5c2c7b9ff6b..c77c02cdfce262cdb6910a4746b149f2b9f0d07f 100644 (file)
--- a/fs/ext4/dev.c
+++ b/fs/ext4/dev.c
@@ -73,6 +73,7 @@ int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf)
        debug(" <" LBAFU ", %d, %d>\n", sector, byte_offset, byte_len);
 
        if (byte_offset != 0) {
+               int readlen;
                /* read first part which isn't aligned with start of sector */
                if (ext4fs_block_dev_desc->
                    block_read(ext4fs_block_dev_desc->dev,
@@ -81,13 +82,11 @@ int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf)
                        printf(" ** ext2fs_devread() read error **\n");
                        return 0;
                }
-               memcpy(buf, sec_buf + byte_offset,
-                       min(ext4fs_block_dev_desc->blksz
-                           - byte_offset, byte_len));
-               buf += min(ext4fs_block_dev_desc->blksz
-                          - byte_offset, byte_len);
-               byte_len -= min(ext4fs_block_dev_desc->blksz
-                               - byte_offset, byte_len);
+               readlen = min((int)ext4fs_block_dev_desc->blksz - byte_offset,
+                             byte_len);
+               memcpy(buf, sec_buf + byte_offset, readlen);
+               buf += readlen;
+               byte_len -= readlen;
                sector++;
        }