[PATCH v2] io_uring: fix two assignments in if conditions

korantwork
2022-11-02T08:25:15Z

From: Xinghui Li <korantli@tencent.com>

Fixs two error:

"ERROR: do not use assignment in if condition
130: FILE: io_uring/net.c:130:
+ if (!(issue_flags & IO_URING_F_UNLOCKED) &&

ERROR: do not use assignment in if condition
599: FILE: io_uring/poll.c:599:
+ } else if (!(issue_flags & IO_URING_F_UNLOCKED) &&"
reported by checkpatch.pl in net.c and poll.c .

Signed-off-by: Xinghui Li <korantli@tencent.com>
Reported-by: kernel test robot <lkp@intel.com>
---
io_uring/net.c | 16 +++++++++-------
io_uring/poll.c | 7 +++++--
2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/io_uring/net.c b/io_uring/net.c
index 15dea91625e2..cbd655c88499 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -127,13 +127,15 @@ static struct io_async_msghdr *io_msg_alloc_async(struct io_kiocb *req,
struct io_cache_entry *entry;
struct io_async_msghdr *hdr;

- if (!(issue_flags & IO_URING_F_UNLOCKED) &&
- (entry = io_alloc_cache_get(&ctx->netmsg_cache)) != NULL) {
- hdr = container_of(entry, struct io_async_msghdr, cache);
- hdr->free_iov = NULL;
- req->flags |= REQ_F_ASYNC_DATA;
- req->async_data = hdr;
- return hdr;
+ if (!(issue_flags & IO_URING_F_UNLOCKED)) {
+ entry = io_alloc_cache_get(&ctx->netmsg_cache);
+ if (entry != NULL) {
+ hdr = container_of(entry, struct io_async_msghdr, cache);
+ hdr->free_iov = NULL;
+ req->flags |= REQ_F_ASYNC_DATA;
+ req->async_data = hdr;
+ return hdr;
+ }
}

if (!io_alloc_async_data(req)) {
diff --git a/io_uring/poll.c b/io_uring/poll.c
index 0d9f49c575e0..4b3b4441e9ca 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -596,10 +596,13 @@ static struct async_poll *io_req_alloc_apoll(struct io_kiocb *req,
if (req->flags & REQ_F_POLLED) {
apoll = req->apoll;
kfree(apoll->double_poll);
- } else if (!(issue_flags & IO_URING_F_UNLOCKED) &&
- (entry = io_alloc_cache_get(&ctx->apoll_cache)) != NULL) {
+ } else if (!(issue_flags & IO_URING_F_UNLOCKED)) {
+ entry = io_alloc_cache_get(&ctx->apoll_cache);
+ if (entry == NULL)
+ goto out;
apoll = container_of(entry, struct async_poll, cache);
} else {
+out:
apoll = kmalloc(sizeof(*apoll), GFP_ATOMIC);
if (unlikely(!apoll))
return NULL;
--
2.34.1