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fs: fix name overwrite in __register_chrdev_region()

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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: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Cyrill Gorcunov 2009-01-06 14:41:08 -08:00 committed by Linus Torvalds
parent ba84be2338
commit 8c4018884a
1 changed files with 1 additions and 1 deletions
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fs/char_dev.c
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@ -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);