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D28262.diff
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diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -5528,18 +5528,12 @@
sbuf_new(&sb, udev->dv_fields, sizeof(udev->dv_fields), SBUF_FIXEDLEN);
if (dev->nameunit != NULL)
sbuf_cat(&sb, dev->nameunit);
- else
- sbuf_putc(&sb, '\0');
sbuf_putc(&sb, '\0');
if (dev->desc != NULL)
sbuf_cat(&sb, dev->desc);
- else
- sbuf_putc(&sb, '\0');
sbuf_putc(&sb, '\0');
if (dev->driver != NULL)
sbuf_cat(&sb, dev->driver->name);
- else
- sbuf_putc(&sb, '\0');
sbuf_putc(&sb, '\0');
bus_child_pnpinfo_sb(dev, &sb);
sbuf_putc(&sb, '\0');
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D28262.diff (612 B)
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D28262: devinfo sysctl handler: Do not write zero-length strings in to sbuf twice
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