summaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/hfs/btree.c5
-rw-r--r--fs/hfsplus/wrapper.c4
-rw-r--r--fs/nfs/super.c1
-rw-r--r--fs/notify/dnotify/dnotify.c3
-rw-r--r--fs/notify/inode_mark.c6
-rw-r--r--fs/notify/notification.c2
-rw-r--r--fs/pipe.c41
-rw-r--r--fs/proc/meminfo.c2
8 files changed, 47 insertions, 17 deletions
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 9b9d6395bad3..052f214ea6f0 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -58,6 +58,11 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke
}
unlock_new_inode(tree->inode);
+ if (!HFS_I(tree->inode)->first_blocks) {
+ printk(KERN_ERR "hfs: invalid btree extent records (0 size).\n");
+ goto free_inode;
+ }
+
mapping = tree->inode->i_mapping;
page = read_mapping_page(mapping, 0, NULL);
if (IS_ERR(page))
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 175d08eacc86..bed78ac8f6d1 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -99,6 +99,10 @@ int hfsplus_read_wrapper(struct super_block *sb)
if (hfsplus_get_last_session(sb, &part_start, &part_size))
return -EINVAL;
+ if ((u64)part_start + part_size > 0x100000000ULL) {
+ pr_err("hfs: volumes larger than 2TB are not supported yet\n");
+ return -EINVAL;
+ }
while (1) {
bh = sb_bread512(sb, part_start + HFSPLUS_VOLHEAD_SECTOR, vhdr);
if (!bh)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index a2c18acb8568..90be551b80c1 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1253,6 +1253,7 @@ static int nfs_parse_mount_options(char *raw,
default:
dfprintk(MOUNT, "NFS: unrecognized "
"transport protocol\n");
+ kfree(string);
return 0;
}
break;
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 828a889be909..7e54e52964dd 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -91,6 +91,7 @@ static int dnotify_handle_event(struct fsnotify_group *group,
struct dnotify_struct *dn;
struct dnotify_struct **prev;
struct fown_struct *fown;
+ __u32 test_mask = event->mask & ~FS_EVENT_ON_CHILD;
to_tell = event->to_tell;
@@ -106,7 +107,7 @@ static int dnotify_handle_event(struct fsnotify_group *group,
spin_lock(&entry->lock);
prev = &dnentry->dn;
while ((dn = *prev) != NULL) {
- if ((dn->dn_mask & event->mask) == 0) {
+ if ((dn->dn_mask & test_mask) == 0) {
prev = &dn->dn_next;
continue;
}
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index c8a07c65482b..3165d85aada2 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -324,11 +324,11 @@ int fsnotify_add_mark(struct fsnotify_mark_entry *entry,
spin_lock(&group->mark_lock);
spin_lock(&inode->i_lock);
- entry->group = group;
- entry->inode = inode;
-
lentry = fsnotify_find_mark_entry(group, inode);
if (!lentry) {
+ entry->group = group;
+ entry->inode = inode;
+
hlist_add_head(&entry->i_list, &inode->i_fsnotify_mark_entries);
list_add(&entry->g_list, &group->mark_entries);
diff --git a/fs/notify/notification.c b/fs/notify/notification.c
index 3816d5750dd5..b8bf53b4c108 100644
--- a/fs/notify/notification.c
+++ b/fs/notify/notification.c
@@ -143,7 +143,7 @@ static bool event_compare(struct fsnotify_event *old, struct fsnotify_event *new
/* remember, after old was put on the wait_q we aren't
* allowed to look at the inode any more, only thing
* left to check was if the file_name is the same */
- if (old->name_len &&
+ if (!old->name_len ||
!strcmp(old->file_name, new->file_name))
return true;
break;
diff --git a/fs/pipe.c b/fs/pipe.c
index 52c415114838..ae17d026aaa3 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -777,36 +777,55 @@ pipe_rdwr_release(struct inode *inode, struct file *filp)
static int
pipe_read_open(struct inode *inode, struct file *filp)
{
- /* We could have perhaps used atomic_t, but this and friends
- below are the only places. So it doesn't seem worthwhile. */
+ int ret = -ENOENT;
+
mutex_lock(&inode->i_mutex);
- inode->i_pipe->readers++;
+
+ if (inode->i_pipe) {
+ ret = 0;
+ inode->i_pipe->readers++;
+ }
+
mutex_unlock(&inode->i_mutex);
- return 0;
+ return ret;
}
static int
pipe_write_open(struct inode *inode, struct file *filp)
{
+ int ret = -ENOENT;
+
mutex_lock(&inode->i_mutex);
- inode->i_pipe->writers++;
+
+ if (inode->i_pipe) {
+ ret = 0;
+ inode->i_pipe->writers++;
+ }
+
mutex_unlock(&inode->i_mutex);
- return 0;
+ return ret;
}
static int
pipe_rdwr_open(struct inode *inode, struct file *filp)
{
+ int ret = -ENOENT;
+
mutex_lock(&inode->i_mutex);
- if (filp->f_mode & FMODE_READ)
- inode->i_pipe->readers++;
- if (filp->f_mode & FMODE_WRITE)
- inode->i_pipe->writers++;
+
+ if (inode->i_pipe) {
+ ret = 0;
+ if (filp->f_mode & FMODE_READ)
+ inode->i_pipe->readers++;
+ if (filp->f_mode & FMODE_WRITE)
+ inode->i_pipe->writers++;
+ }
+
mutex_unlock(&inode->i_mutex);
- return 0;
+ return ret;
}
/*
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index c7bff4f603ff..a65239cfd97e 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -99,7 +99,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
"VmallocUsed: %8lu kB\n"
"VmallocChunk: %8lu kB\n"
#ifdef CONFIG_MEMORY_FAILURE
- "HardwareCorrupted: %8lu kB\n"
+ "HardwareCorrupted: %5lu kB\n"
#endif
,
K(i.totalram),