Replace sbuf_overflowed() with sbuf_error(), which returns any error

code associated with overflow or with the drain function.  While this
function is not expected to be used often, it produces more information
in the form of an errno that sbuf_overflowed() did.

1 files changed, 2 insertions, 2 deletions

diff --git a/sys/compat/linux/linux_ioctl.c b/sys/compat/linux/linux_ioctl.c
index b6de86a..07a281e 100644
--- a/sys/compat/linux/linux_ioctl.c
+++ b/sys/compat/linux/linux_ioctl.c
@@ -2220,7 +2220,7 @@ again:
 				addrs++;
 			}
 
-			if (!sbuf_overflowed(sb))
+			if (sbuf_error(sb) == 0)
 				valid_len = sbuf_len(sb);
 		}
 		if (addrs == 0) {
@@ -2228,7 +2228,7 @@ again:
 			sbuf_bcat(sb, &ifr, sizeof(ifr));
 			max_len += sizeof(ifr);
 
-			if (!sbuf_overflowed(sb))
+			if (sbuf_error(sb) == 0)
 				valid_len = sbuf_len(sb);
 		}
 	}