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Staging: wilc1000: Remove null check before kfree
authorShraddha Barke <shraddha.6596@gmail.com>
Mon, 10 Aug 2015 08:00:33 +0000 (13:30 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 15 Aug 2015 01:44:45 +0000 (18:44 -0700)
commit642ac6c0dceb6292065d08925e6ffd6ef1fbc7e1
treecbe4edf39c2dce155377226d1144c6aaeba53a13tree | snapshot (tar.gz zip)
parent772a6e1fff9a8c942e982598632cfc41451e2e9acommit | diff
Staging: wilc1000: Remove null check before kfree

kfree on NULL pointer is a no-op.

This patch uses the following semantic patch to find such an instance
where NULL check is present before kfree.

// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);
@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>smpl>

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/wilc1000/linux_wlan.c diff | blob | blame | history