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Commit 173b066f authored by Luis de Bethencourt's avatar Luis de Bethencourt
Browse files

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: default avatarLuis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent c08f1cb6

fs/befs/linuxvfs.c

+6 −1
Original line number Diff line number Diff line
@@ -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)