Julia Lawall dc6eb27bdd
USB: host: Eliminate NULL dereference ...
The test above allows std to be NULL, so check that std is not NULL before
doing the dereference.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/ )
// <smpl>
@r exists@
expression E,E1;
identifier f;
statement S1,S2,S3;
@@
if ((E == NULL && ...) || ...)
{
... when != if (...) S1 else S2
when != E = E1
* E->f
... when any
}
else S3
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk >
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de >
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Julia Lawall
dc6eb27bdd