git: d43bf55fc545 - main - armv7: Fix BeagleBone Black panic on system start

The branch main has been updated by manu:

URL: https://cgit.FreeBSD.org/src/commit/?id=d43bf55fc5457dd0b95f19ebbffcc8d8501ea157

commit d43bf55fc5457dd0b95f19ebbffcc8d8501ea157
Author:     Konrad Sewiłło-Jopek <kjopek@gmail.com>
AuthorDate: 2023-04-28 20:03:38 +0000
Commit:     Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2023-04-28 20:03:57 +0000

    armv7: Fix BeagleBone Black panic on system start
    
    There is now assertion which requires all memory allocations of positive size.
    Negative and zero-sized allocations lead to panic, so plug them off.
    
    Reviewed by:    imp, emaste
    Differential Revision:  https://reviews.freebsd.org/D39846
---
 sys/arm/ti/ti_sysc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/arm/ti/ti_sysc.c b/sys/arm/ti/ti_sysc.c
index 2f6011e3049d..603dec3334c2 100644
--- a/sys/arm/ti/ti_sysc.c
+++ b/sys/arm/ti/ti_sysc.c
@@ -306,6 +306,9 @@ parse_regfields(struct ti_sysc_softc *sc) {
 
 	/* Grab the content of reg properties */
 	nreg = OF_getproplen(node, "reg");
+	if (nreg <= 0)
+		return (ENXIO);
+
 	reg = malloc(nreg, M_DEVBUF, M_WAITOK);
 	OF_getencprop(node, "reg", reg, nreg);