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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-06 00:21:15 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-06 00:21:15 +0400 |
| commit | 795d580baec0d5386b83a8b557df47c20810e86b (patch) | |
| tree | d0387c37562e9e27a4f43cf7ae425319cbdad359 /fs/btrfs/ioctl.c | |
| parent | 449cedf099b23a250e7d61982e35555ccb871182 (diff) | |
| parent | 109f6aef5fc436f355ad027f4d97bd696df2049a (diff) | |
| download | linux-795d580baec0d5386b83a8b557df47c20810e86b.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: add check for changed leaves in setup_leaf_for_split
Btrfs: create snapshot references in same commit as snapshot
Btrfs: fix small race with delalloc flushing waitqueue's
Btrfs: use add_to_page_cache_lru, use __page_cache_alloc
Btrfs: fix chunk allocate size calculation
Btrfs: kill max_extent mount option
Btrfs: fail to mount if we have problems reading the block groups
Btrfs: check btrfs_get_extent return for IS_ERR()
Btrfs: handle kmalloc() failure in inode lookup ioctl
Btrfs: dereferencing freed memory
Btrfs: Simplify num_stripes's calculation logical for __btrfs_alloc_chunk()
Btrfs: Add error handle for btrfs_search_slot() in btrfs_read_chunk_tree()
Btrfs: Remove unnecessary finish_wait() in wait_current_trans()
Btrfs: add NULL check for do_walk_down()
Btrfs: remove duplicate include in ioctl.c
Fix trivial conflict in fs/btrfs/compression.c due to slab.h include
cleanups.
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 9b3d73a0fdc8..e84ef60ffe35 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -49,7 +49,6 @@ #include "print-tree.h" #include "volumes.h" #include "locking.h" -#include "ctree.h" /* Mask out flags that are inappropriate for the given type of inode. */ static inline __u32 btrfs_mask_flags(umode_t mode, __u32 flags) @@ -512,7 +511,7 @@ static int should_defrag_range(struct inode *inode, u64 start, u64 len, em = btrfs_get_extent(inode, NULL, 0, start, len, 0); unlock_extent(io_tree, start, start + len - 1, GFP_NOFS); - if (!em) + if (IS_ERR(em)) return 0; } @@ -1213,6 +1212,9 @@ static noinline int btrfs_ioctl_ino_lookup(struct file *file, return -EPERM; args = kmalloc(sizeof(*args), GFP_KERNEL); + if (!args) + return -ENOMEM; + if (copy_from_user(args, argp, sizeof(*args))) { kfree(args); return -EFAULT; @@ -1376,6 +1378,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) sizeof(*range))) { ret = -EFAULT; kfree(range); + goto out; } /* compression requires us to start the IO */ if ((range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)) { |