X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=fs%2Fext4%2Fdev.c;h=c77c02cdfce262cdb6910a4746b149f2b9f0d07f;hb=dee332ffb735f65ab922118791a583c17bb0b795;hp=787e04133a5dd23b1e4f627fa634d624a61b0dfb;hpb=8b485ba12b0defa0c4ed3559789250238f8331a8;p=karo-tx-uboot.git

diff --git a/fs/ext4/dev.c b/fs/ext4/dev.c
index 787e04133a..c77c02cdfc 100644
--- a/fs/ext4/dev.c
+++ b/fs/ext4/dev.c
@@ -41,7 +41,7 @@ void ext4fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
 	get_fs()->dev_desc = rbdd;
 	part_info = info;
 	part_offset = info->start;
-	get_fs()->total_sect = (info->size * info->blksz) >>
+	get_fs()->total_sect = ((uint64_t)info->size * info->blksz) >>
 		get_fs()->dev_desc->log2blksz;
 }
 
@@ -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++;
 	}