[PATCH] fs:affs:fix sb_bread() return value

[Heloise]

When the function sb_bread() fails, the return value should
be -EIO, fix it.

Signed-off-by: Heloise <o...@iscas.ac.cn>
---
 fs/affs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/affs/super.c b/fs/affs/super.c
index c2c27a8..df1f4fe 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -419,7 +419,7 @@ static int affs_fill_super(struct super_block *sb, void 
*data, int silent)
        boot_bh = sb_bread(sb, 0);
        if (!boot_bh) {
                pr_err("Cannot read boot block\n");
-               return -EINVAL;
+               return -EIO;
        }
        memcpy(sig, boot_bh->b_data, 4);
        brelse(boot_bh);
-- 
2.1.0