Signed-off-by: David Sterba <dsterba@xxxxxxxx>
---
fs/btrfs/send.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 02967374d0d9..53a40a7077a2 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -6059,10 +6059,13 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
alloc_size = arg->clone_sources_count * sizeof(*arg->clone_sources);
if (arg->clone_sources_count) {
- clone_sources_tmp = vmalloc(alloc_size);
+ clone_sources_tmp = kmalloc(alloc_size, GFP_KERNEL | __GFP_NOWARN);
if (!clone_sources_tmp) {
- ret = -ENOMEM;
- goto out;
+ clone_sources_tmp = vmalloc(alloc_size);
+ if (!clone_sources_tmp) {
+ ret = -ENOMEM;
+ goto out;
+ }
}
ret = copy_from_user(clone_sources_tmp, arg->clone_sources,
@@ -6100,7 +6103,7 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
sctx->clone_roots[i].root = clone_root;
clone_sources_to_rollback = i + 1;
}
- vfree(clone_sources_tmp);
+ kvfree(clone_sources_tmp);
clone_sources_tmp = NULL;
}
@@ -6218,7 +6221,7 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
btrfs_root_dec_send_in_progress(sctx->parent_root);
kfree(arg);
- vfree(clone_sources_tmp);
+ kvfree(clone_sources_tmp);
if (sctx) {
if (sctx->send_filp)
--
2.7.1
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