btrfs-progs: fi show, don't leak canonical path

Resolves-coverity-id: 1260252
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 80875ff..1c1d34a 100644 (file)
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -471,7 +471,6 @@ static int print_one_fs(struct btrfs_ioctl_fs_info_args *fs_info,
                char *canonical_path;
 
                tmp_dev_info = (struct btrfs_ioctl_dev_info_args *)&dev_info[i];
-               canonical_path = canonicalize_path((char *)tmp_dev_info->path);
 
                /* Add check for missing devices even mounted */
                fd = open((char *)tmp_dev_info->path, O_RDONLY);
@@ -480,6 +479,7 @@ static int print_one_fs(struct btrfs_ioctl_fs_info_args *fs_info,
                        continue;
                }
                close(fd);
+               canonical_path = canonicalize_path((char *)tmp_dev_info->path);
                printf("\tdevid %4llu size %s used %s path %s\n",
                        tmp_dev_info->devid,
                        pretty_size(tmp_dev_info->total_bytes),