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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-07 09:03:39 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-07 09:03:39 -0700
commit61906313bd41cde2f9aaa14e461e6108d3e71aaa (patch)
treec84805a9c67e3baf9e5acf13a3f55f7058a9131f /fs/btrfs/ioctl.c
parent3aa2ae74ba630ec9b98736d64aea8e4cb490861d (diff)
parentd48b97b403d23f6df0b990cee652bdf9a52337a3 (diff)
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Merge 3.4-rc6 into usb-next
This resolves the conflict with: drivers/usb/host/ehci-tegra.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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)))