]> bbs.cooldavid.org Git - net-next-2.6.git/commit
git://bbs.cooldavid.org / net-next-2.6.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a461e11) | patch
virtio: console: Disable lseek(2) for port file operations
authorAmit Shah <amit.shah@redhat.com>
Thu, 16 Sep 2010 09:13:09 +0000 (14:43 +0530)
committerRusty Russell <rusty@rustcorp.com.au>
Thu, 21 Oct 2010 07:14:04 +0000 (17:44 +1030)
commit299fb61c08c2fcd1bb6d3a4e87e53dc368475416
tree85a4dd7406b44c8e95c4618c5cb90ae92987cd85tree | snapshot (tar.bz2 tar.gz zip)
parenta461e11e7b8ca2705889bcf9582f6a8f84884bd2commit | diff
virtio: console: Disable lseek(2) for port file operations

The ports are char devices; do not have seeking capabilities.  Calling
nonseekable_open() from the fops_open() call and setting the llseek fops
pointer to no_llseek ensures an lseek() call from userspace returns
-ESPIPE.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/char/virtio_console.c diff | blob | blame | history
Clone of davem's net-next-2.6 tree