From eb26ebb86a19edb2ac600becc1c1a946526fe588 Mon Sep 17 00:00:00 2001 From: Oleg Drokin Date: Tue, 16 Feb 2016 00:46:51 -0500 Subject: [PATCH] staging/lustre/lclient: Adjust NULL comparison codestyle All instances of "x == NULL" are changed to "!x" and "x != NULL" to "x" Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lustre/lclient/lcommon_cl.c | 32 +++++++++++----------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/staging/lustre/lustre/lclient/lcommon_cl.c b/drivers/staging/lustre/lustre/lclient/lcommon_cl.c index 4dfeb4e07d41..efa6e2e52dc3 100644 --- a/drivers/staging/lustre/lustre/lclient/lcommon_cl.c +++ b/drivers/staging/lustre/lustre/lclient/lcommon_cl.c @@ -117,7 +117,7 @@ void *ccc_key_init(const struct lu_context *ctx, struct lu_context_key *key) struct ccc_thread_info *info; info = kmem_cache_alloc(ccc_thread_kmem, GFP_NOFS | __GFP_ZERO); - if (info == NULL) + if (!info) info = ERR_PTR(-ENOMEM); return info; } @@ -136,7 +136,7 @@ void *ccc_session_key_init(const struct lu_context *ctx, struct ccc_session *session; session = kmem_cache_alloc(ccc_session_kmem, GFP_NOFS | __GFP_ZERO); - if (session == NULL) + if (!session) session = ERR_PTR(-ENOMEM); return session; } @@ -173,7 +173,7 @@ int ccc_device_init(const struct lu_env *env, struct lu_device *d, vdv = lu2ccc_dev(d); vdv->cdv_next = lu2cl_dev(next); - LASSERT(d->ld_site != NULL && next->ld_type != NULL); + LASSERT(d->ld_site && next->ld_type); next->ld_site = d->ld_site; rc = next->ld_type->ldt_ops->ldto_device_init( env, next, next->ld_type->ldt_name, NULL); @@ -211,12 +211,12 @@ struct lu_device *ccc_device_alloc(const struct lu_env *env, vdv->cdv_cl.cd_ops = clops; site = kzalloc(sizeof(*site), GFP_NOFS); - if (site != NULL) { + if (site) { rc = cl_site_init(site, &vdv->cdv_cl); if (rc == 0) rc = lu_site_init_finish(&site->cs_lu); else { - LASSERT(lud->ld_site == NULL); + LASSERT(!lud->ld_site); CERROR("Cannot init lu_site, rc %d.\n", rc); kfree(site); } @@ -236,7 +236,7 @@ struct lu_device *ccc_device_free(const struct lu_env *env, struct cl_site *site = lu2cl_site(d->ld_site); struct lu_device *next = cl2lu_dev(vdv->cdv_next); - if (d->ld_site != NULL) { + if (d->ld_site) { cl_site_fini(site); kfree(site); } @@ -252,7 +252,7 @@ int ccc_req_init(const struct lu_env *env, struct cl_device *dev, int result; vrq = kmem_cache_alloc(ccc_req_kmem, GFP_NOFS | __GFP_ZERO); - if (vrq != NULL) { + if (vrq) { cl_req_slice_add(req, &vrq->crq_cl, dev, &ccc_req_ops); result = 0; } else @@ -304,7 +304,7 @@ out_kmem: void ccc_global_fini(struct lu_device_type *device_type) { - if (ccc_inode_fini_env != NULL) { + if (ccc_inode_fini_env) { cl_env_put(ccc_inode_fini_env, &dummy_refcheck); ccc_inode_fini_env = NULL; } @@ -328,7 +328,7 @@ struct lu_object *ccc_object_alloc(const struct lu_env *env, struct lu_object *obj; vob = kmem_cache_alloc(ccc_object_kmem, GFP_NOFS | __GFP_ZERO); - if (vob != NULL) { + if (vob) { struct cl_object_header *hdr; obj = ccc2lu(vob); @@ -365,7 +365,7 @@ int ccc_object_init(const struct lu_env *env, struct lu_object *obj, under = &dev->cdv_next->cd_lu_dev; below = under->ld_ops->ldo_object_alloc(env, obj->lo_header, under); - if (below != NULL) { + if (below) { const struct cl_object_conf *cconf; cconf = lu2cl_conf(conf); @@ -397,7 +397,7 @@ int ccc_lock_init(const struct lu_env *env, CLOBINVRNT(env, obj, ccc_object_invariant(obj)); clk = kmem_cache_alloc(ccc_lock_kmem, GFP_NOFS | __GFP_ZERO); - if (clk != NULL) { + if (clk) { cl_lock_slice_add(lock, &clk->clk_cl, obj, lkops); result = 0; } else @@ -660,7 +660,7 @@ void ccc_io_update_iov(const struct lu_env *env, { size_t size = io->u.ci_rw.crw_count; - if (!cl_is_normalio(env, io) || cio->cui_iter == NULL) + if (!cl_is_normalio(env, io) || !cio->cui_iter) return; iov_iter_truncate(cio->cui_iter, size); @@ -749,7 +749,7 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj, */ ccc_object_size_unlock(obj); result = cl_glimpse_lock(env, io, inode, obj, 0); - if (result == 0 && exceed != NULL) { + if (result == 0 && exceed) { /* If objective page index exceed end-of-file * page index, return directly. Do not expect * kernel will check such case correctly. @@ -1022,7 +1022,7 @@ int cl_file_inode_init(struct inode *inode, struct lustre_md *md) fid = &lli->lli_fid; LASSERT(fid_is_sane(fid)); - if (lli->lli_clob == NULL) { + if (!lli->lli_clob) { /* clob is slave of inode, empty lli_clob means for new inode, * there is no clob in cache with the given fid, so it is * unnecessary to perform lookup-alloc-lookup-insert, just @@ -1098,7 +1098,7 @@ void cl_inode_fini(struct inode *inode) int refcheck; int emergency; - if (clob != NULL) { + if (clob) { void *cookie; cookie = cl_env_reenter(); @@ -1106,7 +1106,7 @@ void cl_inode_fini(struct inode *inode) emergency = IS_ERR(env); if (emergency) { mutex_lock(&ccc_inode_fini_guard); - LASSERT(ccc_inode_fini_env != NULL); + LASSERT(ccc_inode_fini_env); cl_env_implant(ccc_inode_fini_env, &refcheck); env = ccc_inode_fini_env; } -- 2.11.0