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authorPeter Senna Tschudin <peter.senna@gmail.com>2012-09-12 05:06:47 +0000
committerDavid S. Miller <davem@davemloft.net>2012-09-13 17:05:17 -0400
commit7f2e6a5d8608d0353b017a0fe15502307593734e (patch)
tree62f49c3e8f34bcdbf8869033e92aafc0ca4b84ef
parent5744dd9b71c6b9df944c6a32a000d4a564a2abd7 (diff)
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drivers/isdn/gigaset/common.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> Acked-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/isdn/gigaset/common.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index aa41485..30a6b17 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -1123,7 +1123,6 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
return drv;
error:
- kfree(drv->cs);
kfree(drv);
return NULL;
}