Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8c401888 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Linus Torvalds
Browse files

fs: fix name overwrite in __register_chrdev_region() 



It's possible to register a chrdev with a name size exactly the same as
was allocated in structure.  It seems it was not intended behaviour.

At least chrdev_show does not like it.

Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ba84be23

fs/char_dev.c

+1 −1
Original line number Diff line number Diff line
@@ -120,7 +120,7 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor, 
	cd->major = major;

	cd->baseminor = baseminor;

	cd->minorct = minorct;

	strncpy(cd->name,name, 64);

	strlcpy(cd->name, name, sizeof(cd->name));



	i = major_to_index(major);