summaryrefslogtreecommitdiffstats
path: root/fs/befs/linuxvfs.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2011-09-17 10:29:49 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-09-17 10:29:49 -0300
commit7577911244c437f4a4abac5e4b67b059c06dbe9d (patch)
tree4f0078ddacff226e26b03fa4f6cf185d48633124 /fs/befs/linuxvfs.c
parent418d93ac0be6d4a410731b80af4e836614ffe73e (diff)
parentb6fd41e29dea9c6753b1843a77e50433e6123bcb (diff)
Merge tag 'v3.1-rc6' into staging/for_v3.2
* tag 'v3.1-rc6': (1902 commits) Linux 3.1-rc6 ioctl: register LTTng ioctl fuse: fix memory leak fuse: fix flock breakage Btrfs: add dummy extent if dst offset excceeds file end in Btrfs: calc file extent num_bytes correctly in file clone btrfs: xattr: fix attribute removal Btrfs: fix wrong nbytes information of the inode Btrfs: fix the file extent gap when doing direct IO Btrfs: fix unclosed transaction handle in btrfs_cont_expand Btrfs: fix misuse of trans block rsv Btrfs: reset to appropriate block rsv after orphan operations Btrfs: skip locking if searching the commit root in csum lookup btrfs: fix warning in iput for bad-inode Btrfs: fix an oops when deleting snapshots [media] vp7045: fix buffer setup [media] nuvoton-cir: simplify raw IR sample handling [media] [Resend] viacam: Don't explode if pci_find_bus() returns NULL [media] v4l2: Fix documentation of the codec device controls [media] gspca - sonixj: Fix the darkness of sensor om6802 in 320x240 ...
Diffstat (limited to 'fs/befs/linuxvfs.c')
-rw-r--r--fs/befs/linuxvfs.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 54b8c28bebc..720d885e8dc 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -474,17 +474,22 @@ befs_follow_link(struct dentry *dentry, struct nameidata *nd)
befs_data_stream *data = &befs_ino->i_data.ds;
befs_off_t len = data->size;
- befs_debug(sb, "Follow long symlink");
-
- link = kmalloc(len, GFP_NOFS);
- if (!link) {
- link = ERR_PTR(-ENOMEM);
- } else if (befs_read_lsymlink(sb, data, link, len) != len) {
- kfree(link);
- befs_error(sb, "Failed to read entire long symlink");
+ if (len == 0) {
+ befs_error(sb, "Long symlink with illegal length");
link = ERR_PTR(-EIO);
} else {
- link[len - 1] = '\0';
+ befs_debug(sb, "Follow long symlink");
+
+ link = kmalloc(len, GFP_NOFS);
+ if (!link) {
+ link = ERR_PTR(-ENOMEM);
+ } else if (befs_read_lsymlink(sb, data, link, len) != len) {
+ kfree(link);
+ befs_error(sb, "Failed to read entire long symlink");
+ link = ERR_PTR(-EIO);
+ } else {
+ link[len - 1] = '\0';
+ }
}
} else {
link = befs_ino->i_data.symlink;