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btrfs-progs: Fix check_arg_type() which doesn't use realpath() result. 

Fix a problem that does not use the result of realpath(), which caused
check_arg_type() can't handle mount point which ends with a final '/'.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Cc: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Qu Wenruo 2014-02-12 13:44:37 +08:00 committed by Chris Mason
parent 5218123d8f
commit 93f4f126ec
1 changed files with 2 additions and 2 deletions
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4
cmds-filesystem.c
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@ -425,10 +425,10 @@ static int check_arg_type(char *input)
return -EINVAL; return -EINVAL;
if (realpath(input, path)) { if (realpath(input, path)) {
if (is_block_device(input) == 1) if (is_block_device(path) == 1)
return BTRFS_ARG_BLKDEV; return BTRFS_ARG_BLKDEV;
if (is_mount_point(input) == 1) if (is_mount_point(path) == 1)
return BTRFS_ARG_MNTPOINT; return BTRFS_ARG_MNTPOINT;
return BTRFS_ARG_UNKNOWN; return BTRFS_ARG_UNKNOWN;