git: 6c44e6e9aa7d - stable/15 - mgb: Correct TX interrupt bit

The branch stable/15 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=6c44e6e9aa7de1f96bf7b308b79a6ed30be17ee9

commit 6c44e6e9aa7de1f96bf7b308b79a6ed30be17ee9
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2026-10-09 19:10:18 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2026-10-12 15:25:53 +0000

    mgb: Correct TX interrupt bit
    
    The TX interrupt handler checked MGB_INTR_STS_RX(qidx) instead of
    MGB_INTR_STS_TX(qidx) -- presumably a copy-paste issue.
    
    Because the driver does not use TX interrupts so there was no actual
    issue in practice.
    
    Reviewed by:    adrian
    Sponsored by:   The FreeBSD Foundation
    Fixes: 8890ab7758b8 ("Introduce if_mgb driver for Microchip LAN743x PCIe NIC")
    Differential Revision: https://reviews.freebsd.org/D60550
    
    (cherry picked from commit 6c3f2b8be268de075d60387158f2889140851725)
---
 sys/dev/mgb/if_mgb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/mgb/if_mgb.c b/sys/dev/mgb/if_mgb.c
index 53a69f480784..60f93bb0615d 100644
--- a/sys/dev/mgb/if_mgb.c
+++ b/sys/dev/mgb/if_mgb.c
@@ -800,7 +800,7 @@ mgb_admin_intr(void *xsc)
 	/* XXX: TX interrupts should not occur */
 	if ((intr_sts & MGB_INTR_STS_TX_ANY) != 0) {
 		for (qidx = 0; qidx < scctx->isc_ntxqsets; qidx++) {
-			if ((intr_sts & MGB_INTR_STS_RX(qidx))) {
+			if ((intr_sts & MGB_INTR_STS_TX(qidx))) {
 				/* clear the interrupt sts and run handler */
 				CSR_WRITE_REG(sc, MGB_INTR_ENBL_CLR,
 				    MGB_INTR_STS_TX(qidx));