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authorMarco Pagani <marpagan@redhat.com>2022-06-09 16:05:19 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-17 14:41:21 +0200
commitd66a2e2ae86a24d24e11bf1b55d6fbc4f40f21d0 (patch)
tree0bb3e91a70ed5cafd51bf216f45573e270f9b24f
parent2aa166c39d5a8221e6e22ab1a583656d4c8dc7f7 (diff)
fpga: altera-pr-ip: fix unsigned comparison with less than zero
[ Upstream commit 2df84a757d87fd62869fc401119d429735377ec5 ] 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: d201cc17a8a3 ("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>
-rw-r--r--drivers/fpga/altera-pr-ip-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c
index be0667968d33b..df8671af4a92a 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)
return -EINVAL;
/* Write out the complete 32-bit chunks */