V4L/DVB (7712): pvrusb2: Close connect/disconnect race
authorMike Isely <[email protected]>
Mon, 7 Apr 2008 05:22:43 +0000 (02:22 -0300)
committerMauro Carvalho Chehab <[email protected]>
Thu, 24 Apr 2008 17:09:48 +0000 (14:09 -0300)
commit97f26ff6049a7fff5460cebe392ad1d699dc434c
tree8baf83788707e1488918ba00c7430b6f7b0a9d45
parente5be15c63804e05b5a94197524023702a259e308
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 <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
drivers/media/video/pvrusb2/pvrusb2-hdw.c