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(parent: 6a86e18) | patch
cifs: fix CIFS_ENUMERATE_SNAPSHOTS oops
authorDavid Disseldorp <ddiss@suse.de>
Wed, 3 May 2017 15:39:08 +0000 (17:39 +0200)
committerSteve French <smfrench@gmail.com>
Wed, 3 May 2017 14:59:20 +0000 (09:59 -0500)
commit4ef326847b5e937198ce93e51cd6bb343e1c12c9
tree01c0c2fcf7cc95eb8c29b3664e54addf146a5987tree | snapshot
parent6a86e18b1d9d6a329f8da874bc48766949c5f3fbcommit | diff
cifs: fix CIFS_ENUMERATE_SNAPSHOTS oops

As with 6d9d0905fd4e, an open directory may have a NULL private_data
pointer prior to readdir. CIFS_ENUMERATE_SNAPSHOTS must check for this
before dereference.

Fixes: ff6a8873f44e ("Enable previous version support")
Signed-off-by: David Disseldorp <ddiss@suse.de>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
fs/cifs/ioctl.c diff | blob | history
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