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path: root/drivers/mtd/ubi/build.c
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Diffstat (limited to 'drivers/mtd/ubi/build.c')
-rw-r--r--drivers/mtd/ubi/build.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 16baeb51b2bd..ef3618299494 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1147,11 +1147,17 @@ 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;
+ struct path path;
+ struct kstat stat;
/* 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);
+
+ err = vfs_getattr(&path, &stat);
+ path_put(&path);
if (err)
return ERR_PTR(err);
@@ -1160,6 +1166,7 @@ static struct mtd_info * __init open_mtd_by_chdev(const char *mtd_dev)
return ERR_PTR(-EINVAL);
minor = MINOR(stat.rdev);
+
if (minor & 1)
/*
* Just do not think the "/dev/mtdrX" devices support is need,