Merge 4.7-rc4 into staging-next

We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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,