git: eb13232e4b2f - main - agp_nvidia: Replace a dummy variable to force a read with a void cast.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=eb13232e4b2f03617c309bf5e9c212f8e0e0d9de

commit eb13232e4b2f03617c309bf5e9c212f8e0e0d9de
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-09 00:30:14 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-09 00:30:14 +0000

    agp_nvidia: Replace a dummy variable to force a read with a void cast.
---
 sys/dev/agp/agp_nvidia.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sys/dev/agp/agp_nvidia.c b/sys/dev/agp/agp_nvidia.c
index aa8df5e06f86..8ea09238ff34 100644
--- a/sys/dev/agp/agp_nvidia.c
+++ b/sys/dev/agp/agp_nvidia.c
@@ -338,7 +338,7 @@ static void
 agp_nvidia_flush_tlb (device_t dev)
 {
 	struct agp_nvidia_softc *sc;
-	u_int32_t wbc_reg, temp;
+	u_int32_t wbc_reg;
 	volatile u_int32_t *ag_virtual;
 	int i, pages;
 
@@ -368,9 +368,9 @@ agp_nvidia_flush_tlb (device_t dev)
 	/* Flush TLB entries. */
 	pages = sc->gatt->ag_entries * sizeof(u_int32_t) / PAGE_SIZE;
 	for(i = 0; i < pages; i++)
-		temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
+		(void)ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
 	for(i = 0; i < pages; i++)
-		temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
+		(void)ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
 }
 
 #define	SYSCFG		0xC0010010