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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-21 10:12:39 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-21 10:12:39 -0400 |
commit | b3f87b98aa3dc22cc58f970140113b270015cddb (patch) | |
tree | c4aec5996567ad96310f61e9244e799f41bf2625 /fs/btrfs/ioctl.c | |
parent | 041245c88a29273788e8eff1353bc6e1f56c61df (diff) | |
parent | 1afeaf5c29aa07db25760d2fbed5c08a3aec3498 (diff) | |
download | linux-stable-b3f87b98aa3dc22cc58f970140113b270015cddb.tar.gz linux-stable-b3f87b98aa3dc22cc58f970140113b270015cddb.tar.bz2 linux-stable-b3f87b98aa3dc22cc58f970140113b270015cddb.zip |
Merge branch 'bugfixes' into nfs-for-next
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 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))) |