This is a note to let you know that I've just added the patch titled fpga: altera-pr-ip: fix unsigned comparison with less than zero to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fpga-altera-pr-ip-fix-unsigned-comparison-with-less-.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 4f23efff2b45d2e7ff47db3c5a31a386343decc4 Author: Marco Pagani <marpagan@xxxxxxxxxx> Date: Thu Jun 9 16:05:19 2022 +0200 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@xxxxxxxxxx> Acked-by: Xu Yilun <yilun.xu@xxxxxxxxx> Signed-off-by: Marco Pagani <marpagan@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220609140520.42662-1-marpagan@xxxxxxxxxx Signed-off-by: Xu Yilun <yilun.xu@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c index 2cf25fd5e897..75b4b3ec933a 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 */