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.law...@lip6.fr>
---
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]);
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