diff options
Diffstat (limited to 'drivers/mtd/ubi/build.c')
| -rw-r--r-- | drivers/mtd/ubi/build.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 16baeb51b2bd..7091fca0fb44 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -1147,19 +1147,22 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) */ static struct mtd_info * __init open_mtd_by_chdev(const char *mtd_dev) { - struct kstat stat; - int err, minor; + int err, major, minor, mode; + struct path path; /* Probably this is an MTD character device node path */ - err = vfs_stat(mtd_dev, &stat); + err = kern_path(mtd_dev, LOOKUP_FOLLOW, &path); if (err) return ERR_PTR(err); /* MTD device number is defined by the major / minor numbers */ - if (MAJOR(stat.rdev) != MTD_CHAR_MAJOR || !S_ISCHR(stat.mode)) + major = imajor(d_backing_inode(path.dentry)); + minor = iminor(d_backing_inode(path.dentry)); + mode = d_backing_inode(path.dentry)->i_mode; + path_put(&path); + if (major != MTD_CHAR_MAJOR || !S_ISCHR(mode)) return ERR_PTR(-EINVAL); - minor = MINOR(stat.rdev); if (minor & 1) /* * Just do not think the "/dev/mtdrX" devices support is need, |