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fpga: altera-pr-ip: fix unsigned comparison with less than zero 

[ Upstream commit 2df84a757d ]

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.

Fixes: d201cc17a8 ("fpga pr ip: Core driver support for Altera Partial Reconfiguration IP")
Reviewed-by: Tom Rix <trix@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Link: https://lore.kernel.org/r/20220609140520.42662-1-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Marco Pagani 2022-06-09 16:05:19 +02:00 committed by Greg Kroah-Hartman
parent 34e4e5b005
commit 59ef9bfd29
1 changed files with 1 additions and 1 deletions
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2
drivers/fpga/altera-pr-ip-core.c
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@ -119,7 +119,7 @@ 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)
return -EINVAL;
/* Write out the complete 32-bit chunks */