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authorAndy Grover <andy.grover@oracle.com>2010-01-12 22:56:44 +0300
committerAndy Grover <andy.grover@oracle.com>2010-09-09 05:11:32 +0400
commit8690bfa17aea4c42da1bcf90a7af93d161eca624 (patch)
tree88c4c5fa63aab0c18cf13228c4b3a6f980aa74be /net/rds/rdma.c
parent2dc393573430f853e56e25bf4b41c34ba2aa8fd6 (diff)
downloadlinux-8690bfa17aea4c42da1bcf90a7af93d161eca624.tar.xz
RDS: cleanup: remove "== NULL"s and "!= NULL"s in ptr comparisons
Favor "if (foo)" style over "if (foo != NULL)". Signed-off-by: Andy Grover <andy.grover@oracle.com>
Diffstat (limited to 'net/rds/rdma.c')
-rw-r--r--net/rds/rdma.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 463b458ff27e..dee698b979af 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -189,7 +189,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args,
goto out;
}
- if (rs->rs_transport->get_mr == NULL) {
+ if (!rs->rs_transport->get_mr) {
ret = -EOPNOTSUPP;
goto out;
}
@@ -205,13 +205,13 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args,
/* XXX clamp nr_pages to limit the size of this alloc? */
pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL);
- if (pages == NULL) {
+ if (!pages) {
ret = -ENOMEM;
goto out;
}
mr = kzalloc(sizeof(struct rds_mr), GFP_KERNEL);
- if (mr == NULL) {
+ if (!mr) {
ret = -ENOMEM;
goto out;
}
@@ -244,7 +244,7 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args,
nents = ret;
sg = kcalloc(nents, sizeof(*sg), GFP_KERNEL);
- if (sg == NULL) {
+ if (!sg) {
ret = -ENOMEM;
goto out;
}
@@ -425,7 +425,7 @@ void rds_rdma_unuse(struct rds_sock *rs, u32 r_key, int force)
/* May have to issue a dma_sync on this memory region.
* Note we could avoid this if the operation was a RDMA READ,
* but at this point we can't tell. */
- if (mr != NULL) {
+ if (mr) {
if (mr->r_trans->sync_mr)
mr->r_trans->sync_mr(mr->r_trans_private, DMA_FROM_DEVICE);
@@ -511,13 +511,13 @@ static struct rds_rdma_op *rds_rdma_prepare(struct rds_sock *rs,
}
pages = kcalloc(max_pages, sizeof(struct page *), GFP_KERNEL);
- if (pages == NULL) {
+ if (!pages) {
ret = -ENOMEM;
goto out;
}
op = kzalloc(offsetof(struct rds_rdma_op, r_sg[nr_pages]), GFP_KERNEL);
- if (op == NULL) {
+ if (!op) {
ret = -ENOMEM;
goto out;
}
@@ -643,7 +643,7 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
struct rds_rdma_op *op;
if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) ||
- rm->m_rdma_op != NULL)
+ rm->m_rdma_op)
return -EINVAL;
op = rds_rdma_prepare(rs, CMSG_DATA(cmsg));
@@ -681,7 +681,7 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
spin_lock_irqsave(&rs->rs_rdma_lock, flags);
mr = rds_mr_tree_walk(&rs->rs_rdma_keys, r_key, NULL);
- if (mr == NULL)
+ if (!mr)
err = -EINVAL; /* invalid r_key */
else
atomic_inc(&mr->r_refcount);