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authorIngo Molnar <[email protected]>2016-06-08 09:26:46 +0200
committerIngo Molnar <[email protected]>2016-06-08 09:26:46 +0200
commit616d1c1b98ac79f30216a57a170dd7cea19b3df3 (patch)
tree6f244c2e5a7160190e73bc82b4cd7fa7bb22ee31 /drivers/mtd/ubi/kapi.c
parenta4f144ebbdf6f7807c477bce8e136047ed27321f (diff)
parentc8ae067f2635be0f8c7e5db1bb74b757d623e05b (diff)
Merge branch 'linus' into perf/core, to refresh the branch
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/mtd/ubi/kapi.c')
-rw-r--r--drivers/mtd/ubi/kapi.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c
index e844887732fb..348dbbcbedc8 100644
--- a/drivers/mtd/ubi/kapi.c
+++ b/drivers/mtd/ubi/kapi.c
@@ -301,27 +301,24 @@ EXPORT_SYMBOL_GPL(ubi_open_volume_nm);
*/
struct ubi_volume_desc *ubi_open_volume_path(const char *pathname, int mode)
{
- int error, ubi_num, vol_id, mod;
- struct inode *inode;
- struct path path;
+ int error, ubi_num, vol_id;
+ struct kstat stat;
dbg_gen("open volume %s, mode %d", pathname, mode);
if (!pathname || !*pathname)
return ERR_PTR(-EINVAL);
- error = kern_path(pathname, LOOKUP_FOLLOW, &path);
+ error = vfs_stat(pathname, &stat);
if (error)
return ERR_PTR(error);
- inode = d_backing_inode(path.dentry);
- mod = inode->i_mode;
- ubi_num = ubi_major2num(imajor(inode));
- vol_id = iminor(inode) - 1;
- path_put(&path);
-
- if (!S_ISCHR(mod))
+ if (!S_ISCHR(stat.mode))
return ERR_PTR(-EINVAL);
+
+ ubi_num = ubi_major2num(MAJOR(stat.rdev));
+ vol_id = MINOR(stat.rdev) - 1;
+
if (vol_id >= 0 && ubi_num >= 0)
return ubi_open_volume(ubi_num, vol_id, mode);
return ERR_PTR(-ENODEV);
@@ -708,7 +705,7 @@ int ubi_leb_map(struct ubi_volume_desc *desc, int lnum)
struct ubi_volume *vol = desc->vol;
struct ubi_device *ubi = vol->ubi;
- dbg_gen("unmap LEB %d:%d", vol->vol_id, lnum);
+ dbg_gen("map LEB %d:%d", vol->vol_id, lnum);
if (desc->mode == UBI_READONLY || vol->vol_type == UBI_STATIC_VOLUME)
return -EROFS;