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V4L/DVB (7712): pvrusb2: Close connect/disconnect race
authorMike Isely <isely@pobox.com>
Mon, 7 Apr 2008 05:22:43 +0000 (02:22 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Thu, 24 Apr 2008 17:09:48 +0000 (14:09 -0300)
commit97f26ff6049a7fff5460cebe392ad1d699dc434c
tree8baf83788707e1488918ba00c7430b6f7b0a9d45tree | snapshot (tar.gz zip)
parente5be15c63804e05b5a94197524023702a259e308commit | diff
V4L/DVB (7712): pvrusb2: Close connect/disconnect race

If a disconnect happens before initialization is completed, the
pvrusb2 driver can accidentally touch dangling pointers.  The whole
initialization function must be protected by the big_lock, and once
inside that lock, the initialization function should abort if it is
discovered that a disconnect has already taken place.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/pvrusb2/pvrusb2-hdw.c diff | blob | blame | history