fs/fat: Correct blk_dread() return value check
The function blk_dread will return -ENOSYS on failure or on success the
number of blocks read, which must be the number asked to read (otherwise
it failed somewhere). Correct this check.
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 9ad18f9..465a687 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -54,7 +54,7 @@
ret = blk_dread(cur_dev, cur_part_info.start + block, nr_blocks, buf);
- if (nr_blocks && ret == 0)
+ if (ret != nr_blocks)
return -1;
return ret;