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authorThomas Gleixner <tglx@linutronix.de>2012-05-08 14:07:48 +0200
committerThomas Gleixner <tglx@linutronix.de>2012-05-08 14:07:48 +0200
commit67ba5293f705eb1d1b98710e5ccb0f615936a6fc (patch)
treecdb4cfd94033b5c0f42eeb4de368802049880a12 /fs/btrfs/ioctl.c
parent86627c93b35082f7a0e4d3111546943984b932c7 (diff)
parentd909a81b198a397593495508c4a5755fe95552fb (diff)
downloadtalos-obmc-linux-67ba5293f705eb1d1b98710e5ccb0f615936a6fc.tar.gz
talos-obmc-linux-67ba5293f705eb1d1b98710e5ccb0f615936a6fc.zip
Merge branch 'smp/threadalloc' into smp/hotplug
Reason: Pull in the separate branch which was created so arch/tile can base further work on it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 18cc23d164a8..14f8e1faa46e 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2262,7 +2262,10 @@ static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)
di_args->bytes_used = dev->bytes_used;
di_args->total_bytes = dev->total_bytes;
memcpy(di_args->uuid, dev->uuid, sizeof(di_args->uuid));
- strncpy(di_args->path, dev->name, sizeof(di_args->path));
+ if (dev->name)
+ strncpy(di_args->path, dev->name, sizeof(di_args->path));
+ else
+ di_args->path[0] = '\0';
out:
if (ret == 0 && copy_to_user(arg, di_args, sizeof(*di_args)))
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