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Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 2845c6c..e84ef60 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -39,6 +39,7 @@
#include <linux/security.h>
#include <linux/xattr.h>
#include <linux/vmalloc.h>
+#include <linux/slab.h>
#include "compat.h"
#include "ctree.h"
#include "disk-io.h"
@@ -48,7 +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)
@@ -511,7 +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;
}
@@ -1212,6 +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;
@@ -1375,6 +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)) {