diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/hfs/btree.c | 5 | ||||
-rw-r--r-- | fs/hfsplus/wrapper.c | 4 | ||||
-rw-r--r-- | fs/nfs/super.c | 1 | ||||
-rw-r--r-- | fs/notify/dnotify/dnotify.c | 3 | ||||
-rw-r--r-- | fs/notify/inode_mark.c | 6 | ||||
-rw-r--r-- | fs/notify/notification.c | 2 | ||||
-rw-r--r-- | fs/pipe.c | 41 | ||||
-rw-r--r-- | fs/proc/meminfo.c | 2 |
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), |