| From | "Josef 'Jeff' Sipek" <> | Subject | [PATCH 23/32] Unionfs: mount-time option parsing fix | Date | Sun, 2 Sep 2007 22:20:46 -0400 |
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From: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu> Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu> --- fs/unionfs/main.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/fs/unionfs/main.c b/fs/unionfs/main.c index bc5c105..ce08d96 100644 --- a/fs/unionfs/main.c +++ b/fs/unionfs/main.c @@ -337,8 +337,12 @@ static int parse_dirs_option(struct super_block *sb, struct unionfs_dentry_info int perms; char *mode = strchr(name, '='); - if (!name || !*name) + if (!name) continue; + if (!*name) { /* bad use of ':' (extra colons) */ + err = -EINVAL; + goto out; + } branches++; @@ -404,10 +408,9 @@ static int parse_dirs_option(struct super_block *sb, struct unionfs_dentry_info * branch-overlapping test. */ for (i = 0; i < branches; i++) { + dent1 = lower_root_info->lower_paths[i].dentry; for (j = i + 1; j < branches; j++) { - dent1 = lower_root_info->lower_paths[i].dentry; dent2 = lower_root_info->lower_paths[j].dentry; - if (is_branch_overlap(dent1, dent2)) { printk(KERN_WARNING "unionfs: branches %d and " "%d overlap\n", i, j); -- 1.5.2.2.238.g7cbf2f2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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