From: Stanimir Varbanov <stanimir.varbanov@linaro.org>
To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Stanimir Varbanov <stanimir.varbanov@linaro.org>
Subject: [PATCH] venus: hfi_venus: Fix a warning in venus ISR
Date: Wed, 7 Apr 2021 13:56:00 +0300 [thread overview]
Message-ID: <20210407105600.348245-1-stanimir.varbanov@linaro.org> (raw)
Fix the following smatch warning:
hfi_venus.c:1100 venus_isr() warn: variable dereferenced before check 'hdev' (see line 1097)
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
---
drivers/media/platform/qcom/venus/hfi_venus.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
index cebb20cf371f..114fcb6ee9a0 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus.c
+++ b/drivers/media/platform/qcom/venus/hfi_venus.c
@@ -1093,13 +1093,16 @@ static irqreturn_t venus_isr_thread(struct venus_core *core)
static irqreturn_t venus_isr(struct venus_core *core)
{
struct venus_hfi_device *hdev = to_hfi_priv(core);
+ void __iomem *cpu_cs_base;
+ void __iomem *wrapper_base;
u32 status;
- void __iomem *cpu_cs_base = hdev->core->cpu_cs_base;
- void __iomem *wrapper_base = hdev->core->wrapper_base;
if (!hdev)
return IRQ_NONE;
+ cpu_cs_base = hdev->core->cpu_cs_base;
+ wrapper_base = hdev->core->wrapper_base;
+
status = readl(wrapper_base + WRAPPER_INTR_STATUS);
if (IS_V6(core)) {
if (status & WRAPPER_INTR_STATUS_A2H_MASK ||
--
2.25.1
reply other threads:[~2021-04-07 10:56 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210407105600.348245-1-stanimir.varbanov@linaro.org \
--to=stanimir.varbanov@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.