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author | Peter Senna Tschudin <peter.senna@gmail.com> | 2012-09-12 17:06:45 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-26 13:20:40 -0700 |
commit | 08b79dd10bb24f5fb12446d21d32c87a8136c770 (patch) | |
tree | 831faf9cd5d7f9dade77075ce99cd682395b8be5 /Documentation/nommu-mmap.txt | |
parent | f8885c26d59e683185002271108e8acb812fcd07 (diff) | |
download | op-kernel-dev-08b79dd10bb24f5fb12446d21d32c87a8136c770.zip op-kernel-dev-08b79dd10bb24f5fb12446d21d32c87a8136c770.tar.gz |
drivers/char/mmtimer.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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/nommu-mmap.txt')
0 files changed, 0 insertions, 0 deletions