From 24af3e1676f09b69f9a49c1bcdb6d53455897bb7 Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Mon, 22 Feb 2016 17:29:11 -0500 Subject: [PATCH] staging: lustre: missed a few cases of using NULL instead of 0 It is preferable to use NULL instead of 0 for pointers. This fixes sparse warnings such as: lustre/fld/fld_request.c:126:17: warning: Using plain integer as NULL pointer The second parameter of class_match_param() was changed to a const, to be able to remove a cast in one user, to prevent splitting a long line. No other code change. Signed-off-by: Frank Zago Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5396 Reviewed-on: http://review.whamcloud.com/12567 Reviewed-by: Dmitry Eremin Reviewed-by: John L. Hammond Reviewed-by: Bob Glossman Reviewed-by: James Simmons Reviewed-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lnet/lnet/api-ni.c | 2 +- drivers/staging/lustre/lustre/llite/llite_lib.c | 2 +- drivers/staging/lustre/lustre/obdclass/obd_config.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c index 3b7bc369a579..f223d5d5a6f3 100644 --- a/drivers/staging/lustre/lnet/lnet/api-ni.c +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c @@ -904,7 +904,7 @@ lnet_ping_info_setup(lnet_ping_info_t **ppinfo, lnet_handle_md_t *md_handle, { lnet_process_id_t id = {LNET_NID_ANY, LNET_PID_ANY}; lnet_handle_me_t me_handle; - lnet_md_t md = {0}; + lnet_md_t md = { NULL }; int rc, rc2; if (set_eq) { diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 4de085d906c1..2440b07c743c 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -1940,7 +1940,7 @@ int ll_prep_inode(struct inode **inode, struct ptlrpc_request *req, struct super_block *sb, struct lookup_intent *it) { struct ll_sb_info *sbi = NULL; - struct lustre_md md; + struct lustre_md md = { NULL }; int rc; LASSERT(*inode || sb); diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c index c4128ac91389..641794613722 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_config.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c @@ -72,7 +72,7 @@ EXPORT_SYMBOL(class_find_param); /* returns 0 if this is the first key in the buffer, else 1. valp points to first char after key. */ -static int class_match_param(char *buf, char *key, char **valp) +static int class_match_param(char *buf, const char *key, char **valp) { if (!buf) return 1; @@ -1008,7 +1008,7 @@ int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars, /* Search proc entries */ while (lvars[j].name) { var = &lvars[j]; - if (class_match_param(key, (char *)var->name, NULL) == 0 + if (!class_match_param(key, var->name, NULL) && keylen == strlen(var->name)) { matched++; rc = -EROFS; -- 2.39.5