From: Marco Pagani <marpagan@redhat.com>
To: Moritz Fischer <mdf@kernel.org>, Wu Hao <hao.wu@intel.com>,
Xu Yilun <yilun.xu@intel.com>, Tom Rix <trix@redhat.com>
Cc: Marco Pagani <marpagan@redhat.com>,
linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] fpga: altera-pr-ip: fix unsigned comparison with less than zero
Date: Tue, 5 Apr 2022 20:53:49 +0200 [thread overview]
Message-ID: <20220405185349.220607-1-marpagan@redhat.com> (raw)
Fix the "comparison with less than zero" warning reported by
cppcheck for the unsigned (size_t) parameter "count" of the
"alt_pr_fpga_write()" function.
Signed-off-by: Marco Pagani <marpagan@redhat.com>
---
drivers/fpga/altera-pr-ip-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c
index be0667968d33..2ff3d8e46a0c 100644
--- a/drivers/fpga/altera-pr-ip-core.c
+++ b/drivers/fpga/altera-pr-ip-core.c
@@ -108,7 +108,7 @@ static int alt_pr_fpga_write(struct fpga_manager *mgr, const char *buf,
u32 *buffer_32 = (u32 *)buf;
size_t i = 0;
- if (count <= 0)
+ if (count == 0)
return -EINVAL;
/* Write out the complete 32-bit chunks */
--
2.35.1
next reply other threads:[~2022-04-06 4:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-05 18:53 Marco Pagani [this message]
2022-04-06 14:18 ` [PATCH] fpga: altera-pr-ip: fix unsigned comparison with less than zero Tom Rix
2022-04-07 2:09 ` Xu Yilun
2022-04-20 4:24 ` Moritz Fischer
2022-04-22 15:47 ` Marco Pagani
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