author: Chengguang Xu <cgxu519@gmail.com> 2019-05-02 20:15:05 +0800
committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2019-05-24 20:50:36 +0200
commit: 7ef0b1524417743e6861490420225affe451486b
parent: 17aa207e6e08b0bcf92cf7b473fae9a70e325dbe
Commit Summary:
Diffstat:
1 file changed, 2 insertions, 1 deletion
diff --git a/fs/char_dev.c b/fs/char_dev.c
index d18cad28c1c3..00dfe17871ac 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -98,7 +98,7 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
int minorct, const char *name)
{
struct char_device_struct *cd, *curr, *prev = NULL;
- int ret = -EBUSY;
+ int ret;
int i;
if (major >= CHRDEV_MAJOR_MAX) {
@@ -129,6 +129,7 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
major = ret;
}
+ ret = -EBUSY;
i = major_to_index(major);
for (curr = chrdevs[i]; curr; prev = curr, curr = curr->next) {
if (curr->major < major)