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author | Grant Likely <grant.likely@secretlab.ca> | 2012-05-09 18:32:01 -0600 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2012-05-09 18:32:01 -0600 |
commit | 3aa450c063e29b4f4b622480e1779e5e256d8f8f (patch) | |
tree | d18942ff8bf862f2973f4e7adbf99c4f3e22a563 /fs/btrfs/ioctl.c | |
parent | d57a4282d04810417c4ed2a49cbbeda8b3569b18 (diff) | |
parent | d48b97b403d23f6df0b990cee652bdf9a52337a3 (diff) | |
download | op-kernel-dev-3aa450c063e29b4f4b622480e1779e5e256d8f8f.zip op-kernel-dev-3aa450c063e29b4f4b622480e1779e5e256d8f8f.tar.gz |
Merge tag 'v3.4-rc6' into spi/next
Linux 3.4-rc6
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r-- | fs/btrfs/ioctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 18cc23d..14f8e1f 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))) |