From: Alex Dewar <alex.dewar90@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Alex Dewar <alex.dewar90@gmail.com>,
Saeed Mahameed <saeedm@nvidia.com>,
Kalle Valo <kvalo@codeaurora.org>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] ath10k: sdio: remove redundant check in for loop
Date: Wed, 16 Sep 2020 17:57:49 +0100 [thread overview]
Message-ID: <20200916165748.20927-1-alex.dewar90@gmail.com> (raw)
In-Reply-To: <c2987351e3bdad16510dd35847991c2412a9db6b.camel@nvidia.com>
The for loop checks whether cur_section is NULL on every iteration, but
we know it can never be NULL as there is another check towards the
bottom of the loop body. Refactor to avoid this unnecessary check.
Also, increment the variable i inline for clarity
Addresses-Coverity: 1496984 ("Null pointer dereferences)
Suggested-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
---
v2: refactor in the manner suggested by Saeed
drivers/net/wireless/ath/ath10k/sdio.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 81ddaafb6721..486886c74e6a 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -2307,8 +2307,8 @@ static int ath10k_sdio_dump_memory_section(struct ath10k *ar,
}
count = 0;
-
- for (i = 0; cur_section; i++) {
+ i = 0;
+ for (; cur_section; cur_section = next_section) {
section_size = cur_section->end - cur_section->start;
if (section_size <= 0) {
@@ -2318,7 +2318,7 @@ static int ath10k_sdio_dump_memory_section(struct ath10k *ar,
break;
}
- if ((i + 1) == mem_region->section_table.size) {
+ if (++i == mem_region->section_table.size) {
/* last section */
next_section = NULL;
skip_size = 0;
@@ -2361,12 +2361,6 @@ static int ath10k_sdio_dump_memory_section(struct ath10k *ar,
}
count += skip_size;
-
- if (!next_section)
- /* this was the last section */
- break;
-
- cur_section = next_section;
}
return count;
--
2.28.0
next prev parent reply other threads:[~2020-09-16 17:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-14 19:19 [PATCH] ath10k: sdio: remove reduntant check in for loop Alex Dewar
2020-09-14 21:51 ` Saeed Mahameed
2020-09-16 16:57 ` Alex Dewar [this message]
2020-09-17 0:45 ` [PATCH v2] ath10k: sdio: remove redundant " Julian Calaby
2020-09-24 16:27 ` Kalle Valo
2020-09-27 10:58 ` Alex Dewar
2020-09-29 7:42 ` Kalle Valo
2020-11-06 6:36 ` Kalle Valo
2020-09-16 16:59 ` [PATCH] ath10k: sdio: remove reduntant " Alex Dewar
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