[HPDD-discuss] [PATCH 4/20] staging: lustre: libcfs: linux: remove unneeded null test before free

Kfree can cope with a null argument, so drop null tests. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression ptr; @@ - if (ptr != NULL) { kfree(ptr); ptr = NULL; - } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall(a)lip6.fr&gt; --- drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c index c8e2930..483cbc8 100644 --- a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c +++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c @@ -102,11 +102,10 @@ void cfs_tracefile_fini_arch(void) int j; for (i = 0; i < num_possible_cpus(); i++) - for (j = 0; j < 3; j++) - if (cfs_trace_console_buffers[i][j] != NULL) { - kfree(cfs_trace_console_buffers[i][j]); - cfs_trace_console_buffers[i][j] = NULL; - } + for (j = 0; j < 3; j++) { + kfree(cfs_trace_console_buffers[i][j]); + cfs_trace_console_buffers[i][j] = NULL; + } for (i = 0; cfs_trace_data[i] != NULL; i++) { kfree(cfs_trace_data[i]);