!x is more normal for kzalloc failure in the kernel.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression x;
statement S1, S2;
@@
x = kzalloc(...);
if (
- x == NULL
+ !x
) S1 else S2
// </smpl>
Signed-off-by: Julia Lawall <julia.law...@lip6.fr>
---
drivers/staging/lustre/lustre/mgc/mgc_request.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -u -p a/drivers/staging/lustre/lustre/mgc/mgc_request.c
b/drivers/staging/lustre/lustre/mgc/mgc_request.c
--- a/drivers/staging/lustre/lustre/mgc/mgc_request.c
+++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c
@@ -1128,7 +1128,7 @@ static int mgc_apply_recover_logs(struct
LASSERT(cfg->cfg_sb == cfg->cfg_instance);
inst = kzalloc(PAGE_CACHE_SIZE, GFP_NOFS);
- if (inst == NULL)
+ if (!inst)
return -ENOMEM;
if (!IS_SERVER(lsi)) {
@@ -1493,7 +1493,7 @@ static int mgc_process_cfg_log(struct ob
lsi = s2lsi(cld->cld_cfg.cfg_sb);
env = kzalloc(sizeof(*env), GFP_NOFS);
- if (env == NULL)
+ if (!env)
return -ENOMEM;
rc = lu_env_init(env, LCT_MG_THREAD);
--
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