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befs: check return of sb_min_blocksize 

Confirm sb_min_blocksize() succeeded before continuing.

Link: http://lkml.kernel.org/r/1465700235-22881-1-git-send-email-luisbg@osg.samsung.com
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Luis de Bethencourt 2016-07-23 22:36:42 +10:00
parent c08f1cb627
commit 173b066f58
1 changed files with 6 additions and 1 deletions
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7
fs/befs/linuxvfs.c
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@ -756,6 +756,7 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
long ret = -EINVAL;
const unsigned long sb_block = 0;
const off_t x86_sb_off = 512;
int blocksize;
save_mount_options(sb, data);
@ -788,7 +789,11 @@ befs_fill_super(struct super_block *sb, void *data, int silent)
* least 1k to get the second 512 bytes of the volume.
* -WD 10-26-01
*/
sb_min_blocksize(sb, 1024);
blocksize = sb_min_blocksize(sb, 1024);
if (!blocksize) {
befs_error(sb, "unable to set blocksize");
goto unacquire_priv_sbp;
}
if (!(bh = sb_bread(sb, sb_block))) {
if (!silent)