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author | Marco Pagani <marpagan@redhat.com> | 2022-06-09 17:05:19 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-21 16:15:53 +0300 |
commit | 474f12deaa19a1358e2f81190fc38063adbfdd20 (patch) | |
tree | 6dfff0af7ca67be1c0ea332115cc029cf59551c5 /drivers/fpga | |
parent | 175428c86fb832cf0c8ce181d22c53eed3589d24 (diff) | |
download | linux-474f12deaa19a1358e2f81190fc38063adbfdd20.tar.xz |
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>
Diffstat (limited to 'drivers/fpga')
-rw-r--r-- | drivers/fpga/altera-pr-ip-core.c | 2 |
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 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 */ |