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(parent: dfa6201) | patch
virtio_pci: document why we defer kfree
authorMichael S. Tsirkin <mst@redhat.com>
Sun, 4 Jan 2015 15:28:27 +0000 (17:28 +0200)
committerZefan Li <lizefan@huawei.com>
Tue, 14 Apr 2015 09:33:50 +0000 (17:33 +0800)
commit39930a5de9598226b2dfd4920f251058045bf827
treeb9813fc4d91ef7b43ef2326da3da2561c583f874tree
parentdfa6201a6f6ed869f73a4528e481cd59377e06a6commit | diff
virtio_pci: document why we defer kfree

commit a1eb03f546d651a8f39c7d0692b1f7f5b4e7e3cd upstream.

The reason we defer kfree until release function is because it's a
general rule for kobjects: kfree of the reference counter itself is only
legal in the release function.

Previous patch didn't make this clear, document this in code.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
[lizf: Backported to 3.4: adjust filename]
Signed-off-by: Zefan Li <lizefan@huawei.com>
drivers/virtio/virtio_pci.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git