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hugetlbfs: return negative error code for bad mount option

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This fixes the following BUG:

  # mount -o size=MM -t hugetlbfs none /huge
  hugetlbfs: Bad value 'MM' for mount option 'size=MM'
  ------------[ cut here ]------------
  kernel BUG at fs/super.c:996!

Due to

	BUG_ON(!mnt->mnt_sb);

in vfs_kern_mount().

Also, remove unused #include <linux/quotaops.h>

Cc: William Irwin <wli@holomorphy.com>
Cc: <stable@kernel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2009-04-21 12:24:05 -07:00 committed by Linus Torvalds
parent 4dec302ff7
commit c12ddba093
1 changed files with 1 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
fs/hugetlbfs/inode.c
View file

@ -26,7 +26,6 @@
#include <linux/pagevec.h> #include <linux/pagevec.h>
#include <linux/parser.h> #include <linux/parser.h>
#include <linux/mman.h> #include <linux/mman.h>
#include <linux/quotaops.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/dnotify.h> #include <linux/dnotify.h>
#include <linux/statfs.h> #include <linux/statfs.h>
@ -842,7 +841,7 @@ hugetlbfs_parse_options(char *options, struct hugetlbfs_config *pconfig)
bad_val: bad_val:
printk(KERN_ERR "hugetlbfs: Bad value '%s' for mount option '%s'\n", printk(KERN_ERR "hugetlbfs: Bad value '%s' for mount option '%s'\n",
args[0].from, p); args[0].from, p);
return 1; return -EINVAL;
} }
static int static int