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| author | Tom Rini <trini@konsulko.com> | 2017-08-14 21:02:08 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-08-20 09:54:31 -0400 |
| commit | 42a9f147d87b6e4442d6c3074c34b08854f36ef5 (patch) | |
| tree | e04b67e130a8ae9e974770e9ef166d8f26d94403 /fs/fat | |
| parent | 9585dd3fffaa8b7bd37044cc1870a45f2ca0ee3d (diff) | |
| download | u-boot-42a9f147d87b6e4442d6c3074c34b08854f36ef5.zip u-boot-42a9f147d87b6e4442d6c3074c34b08854f36ef5.tar.gz u-boot-42a9f147d87b6e4442d6c3074c34b08854f36ef5.tar.bz2 | |
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>
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/fat.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 @@ static int disk_read(__u32 block, __u32 nr_blocks, void *buf) 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; |