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authorJulia Lawall <julia@diku.dk>2009-09-17 23:44:01 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-19 00:52:54 -0300
commitd2be76437c20161a31460306e555bb546e30dfc7 (patch)
tree467a58d5e0328196b7c038ef5ba7fc8ad9386db2 /drivers/media/radio
parentc6e56cd344da17134f3d57247d52eaf640107087 (diff)
V4L/DVB (13012): uvc: introduce missing kfree
Move the kzalloc and associated test after the stream/query test, to avoid the need to free the allocated if the stream/query test fails. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,f1,l; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
0 files changed, 0 insertions, 0 deletions