From: Marco Pagani marpagan@redhat.com
[ 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 --- 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 a7b31f9797ce..0314737d705b 100644 --- a/drivers/fpga/altera-pr-ip-core.c +++ b/drivers/fpga/altera-pr-ip-core.c @@ -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 */