diff options
author | Peter Senna Tschudin <peter.senna@gmail.com> | 2012-09-12 15:06:41 (GMT) |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2012-10-01 23:33:26 (GMT) |
commit | 33cce6e9801f7d0184a636e9096a7cf7f8237ff9 (patch) | |
tree | b278feda67010def1d090e4b4b0f14770b4dce3d /include | |
parent | 3184009c36da413724f283e3c7ac9cc60c623bc4 (diff) | |
download | linux-33cce6e9801f7d0184a636e9096a7cf7f8237ff9.tar.xz |
drivers/gpu/drm/ttm/ttm_page_alloc_dma.c: Remove useless kfree
Remove useless kfree() and clean up code related to the removal.
The semantic patch that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
position p1,p2;
expression x;
@@
if (x@p1 == NULL) { ... kfree@p2(x); ... return ...; }
@unchanged exists@
position r.p1,r.p2;
expression e <= r.x,x,e1;
iterator I;
statement S;
@@
if (x@p1 == NULL) { ... when != I(x,...) S
when != e = e1
when != e += e1
when != e -= e1
when != ++e
when != --e
when != e++
when != e--
when != &e
kfree@p2(x); ... return ...; }
@ok depends on unchanged exists@
position any r.p1;
position r.p2;
expression x;
@@
... when != true x@p1 == NULL
kfree@p2(x);
@depends on !ok && unchanged@
position r.p2;
expression x;
@@
*kfree@p2(x);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions