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| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2009-01-07 01:41:08 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 02:59:13 +0300 |
| commit | 8c4018884a49eb2c6c7ca90804f331b12983561c (patch) | |
| tree | 5a9b972e76c340db5feebda40d9643611a1b84d2 /fs | |
| parent | ba84be2338d3a2b6020d39279335bb06fcd332e1 (diff) | |
| download | linux-8c4018884a49eb2c6c7ca90804f331b12983561c.tar.xz | |
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: 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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/char_dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c index 700697a72618..38f71222a552 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -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); |