From 36a86fe68f875d2b3fc8a61d4a80494e57333f1f Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 20 Jun 2015 18:59:04 +0200 Subject: [PATCH] staging: lustre: lov: Use !x to check for kzalloc failure !x is more normal for kzalloc failure in the kernel. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression x; statement S1, S2; @@ x = kzalloc(...); if ( - x == NULL + !x ) S1 else S2 // Signed-off-by: Julia Lawall Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/lov/lov_dev.c | 2 +- drivers/staging/lustre/lustre/lov/lov_io.c | 2 +- drivers/staging/lustre/lustre/lov/lov_obd.c | 2 +- drivers/staging/lustre/lustre/lov/lov_pool.c | 2 +- .../staging/lustre/lustre/lov/lov_request.c | 18 +++++++++--------- 5 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/staging/lustre/lustre/lov/lov_dev.c b/drivers/staging/lustre/lustre/lov/lov_dev.c index 504b24a468fc..8c3bbe574723 100644 --- a/drivers/staging/lustre/lustre/lov/lov_dev.c +++ b/drivers/staging/lustre/lustre/lov/lov_dev.c @@ -478,7 +478,7 @@ static struct lu_device *lov_device_alloc(const struct lu_env *env, int rc; ld = kzalloc(sizeof(*ld), GFP_NOFS); - if (ld == NULL) + if (!ld) return ERR_PTR(-ENOMEM); cl_device_init(&ld->ld_cl, t); diff --git a/drivers/staging/lustre/lustre/lov/lov_io.c b/drivers/staging/lustre/lustre/lov/lov_io.c index 11c1081b1d3d..bf3629151d68 100644 --- a/drivers/staging/lustre/lustre/lov/lov_io.c +++ b/drivers/staging/lustre/lustre/lov/lov_io.c @@ -181,7 +181,7 @@ static int lov_io_sub_init(const struct lu_env *env, struct lov_io *lio, } else { sub->sub_io = kzalloc(sizeof(*sub->sub_io), GFP_NOFS); - if (sub->sub_io == NULL) + if (!sub->sub_io) result = -ENOMEM; } } diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index 96c55acd52ae..cd6ed580c48b 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -976,7 +976,7 @@ static int lov_recreate(struct obd_export *exp, struct obdo *src_oa, src_oa->o_flags & OBD_FL_RECREATE_OBJS); obj_mdp = kzalloc(sizeof(*obj_mdp), GFP_NOFS); - if (obj_mdp == NULL) + if (!obj_mdp) return -ENOMEM; ost_idx = src_oa->o_nlink; diff --git a/drivers/staging/lustre/lustre/lov/lov_pool.c b/drivers/staging/lustre/lustre/lov/lov_pool.c index 1e4d3fbee323..c59b1402616e 100644 --- a/drivers/staging/lustre/lustre/lov/lov_pool.c +++ b/drivers/staging/lustre/lustre/lov/lov_pool.c @@ -431,7 +431,7 @@ int lov_pool_new(struct obd_device *obd, char *poolname) return -ENAMETOOLONG; new_pool = kzalloc(sizeof(*new_pool), GFP_NOFS); - if (new_pool == NULL) + if (!new_pool) return -ENOMEM; strncpy(new_pool->pool_name, poolname, LOV_MAXPOOLNAME); diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c index f4de8b84c5c2..416e42ed7792 100644 --- a/drivers/staging/lustre/lustre/lov/lov_request.c +++ b/drivers/staging/lustre/lustre/lov/lov_request.c @@ -275,7 +275,7 @@ int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo, int rc = 0, i; set = kzalloc(sizeof(*set), GFP_NOFS); - if (set == NULL) + if (!set) return -ENOMEM; lov_init_set(set); @@ -301,7 +301,7 @@ int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo, } req = kzalloc(sizeof(*req), GFP_NOFS); - if (req == NULL) { + if (!req) { rc = -ENOMEM; goto out_set; } @@ -358,7 +358,7 @@ int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo, int rc = 0, i; set = kzalloc(sizeof(*set), GFP_NOFS); - if (set == NULL) + if (!set) return -ENOMEM; lov_init_set(set); @@ -384,7 +384,7 @@ int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo, } req = kzalloc(sizeof(*req), GFP_NOFS); - if (req == NULL) { + if (!req) { rc = -ENOMEM; goto out_set; } @@ -477,7 +477,7 @@ int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo, int rc = 0, i; set = kzalloc(sizeof(*set), GFP_NOFS); - if (set == NULL) + if (!set) return -ENOMEM; lov_init_set(set); @@ -500,7 +500,7 @@ int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo, } req = kzalloc(sizeof(*req), GFP_NOFS); - if (req == NULL) { + if (!req) { rc = -ENOMEM; goto out_set; } @@ -704,7 +704,7 @@ int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo, int rc = 0, i; set = kzalloc(sizeof(*set), GFP_NOFS); - if (set == NULL) + if (!set) return -ENOMEM; lov_init_set(set); @@ -730,14 +730,14 @@ int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo, } req = kzalloc(sizeof(*req), GFP_NOFS); - if (req == NULL) { + if (!req) { rc = -ENOMEM; goto out_set; } req->rq_oi.oi_osfs = kzalloc(sizeof(*req->rq_oi.oi_osfs), GFP_NOFS); - if (req->rq_oi.oi_osfs == NULL) { + if (!req->rq_oi.oi_osfs) { kfree(req); rc = -ENOMEM; goto out_set; -- 2.34.1