diff options
Diffstat (limited to 'fs/block_dev.c')
-rw-r--r-- | fs/block_dev.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 05865b93f7e1..88a776fa0ef6 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c | |||
@@ -1257,33 +1257,33 @@ EXPORT_SYMBOL(ioctl_by_bdev); | |||
1257 | * namespace if possible and return it. Return ERR_PTR(error) | 1257 | * namespace if possible and return it. Return ERR_PTR(error) |
1258 | * otherwise. | 1258 | * otherwise. |
1259 | */ | 1259 | */ |
1260 | struct block_device *lookup_bdev(const char *path) | 1260 | struct block_device *lookup_bdev(const char *pathname) |
1261 | { | 1261 | { |
1262 | struct block_device *bdev; | 1262 | struct block_device *bdev; |
1263 | struct inode *inode; | 1263 | struct inode *inode; |
1264 | struct nameidata nd; | 1264 | struct path path; |
1265 | int error; | 1265 | int error; |
1266 | 1266 | ||
1267 | if (!path || !*path) | 1267 | if (!pathname || !*pathname) |
1268 | return ERR_PTR(-EINVAL); | 1268 | return ERR_PTR(-EINVAL); |
1269 | 1269 | ||
1270 | error = path_lookup(path, LOOKUP_FOLLOW, &nd); | 1270 | error = kern_path(pathname, LOOKUP_FOLLOW, &path); |
1271 | if (error) | 1271 | if (error) |
1272 | return ERR_PTR(error); | 1272 | return ERR_PTR(error); |
1273 | 1273 | ||
1274 | inode = nd.path.dentry->d_inode; | 1274 | inode = path.dentry->d_inode; |
1275 | error = -ENOTBLK; | 1275 | error = -ENOTBLK; |
1276 | if (!S_ISBLK(inode->i_mode)) | 1276 | if (!S_ISBLK(inode->i_mode)) |
1277 | goto fail; | 1277 | goto fail; |
1278 | error = -EACCES; | 1278 | error = -EACCES; |
1279 | if (nd.path.mnt->mnt_flags & MNT_NODEV) | 1279 | if (path.mnt->mnt_flags & MNT_NODEV) |
1280 | goto fail; | 1280 | goto fail; |
1281 | error = -ENOMEM; | 1281 | error = -ENOMEM; |
1282 | bdev = bd_acquire(inode); | 1282 | bdev = bd_acquire(inode); |
1283 | if (!bdev) | 1283 | if (!bdev) |
1284 | goto fail; | 1284 | goto fail; |
1285 | out: | 1285 | out: |
1286 | path_put(&nd.path); | 1286 | path_put(&path); |
1287 | return bdev; | 1287 | return bdev; |
1288 | fail: | 1288 | fail: |
1289 | bdev = ERR_PTR(error); | 1289 | bdev = ERR_PTR(error); |