MFH: r260483, r260484, r260594, r260595, r260596, r260597

Improve error message shown to the user when trying to load a module that is
already loaded or compiled withing the kernel
Point the user to dmesg(1) to get informations about why loading a module did fail
instead of printing the cryptic "Exec format error"
Update the BUGS section of kld(4) according the recent changes in kldload(8)

1 files changed, 16 insertions, 1 deletions

diff --git a/sbin/kldload/kldload.c b/sbin/kldload/kldload.c
index 84589eb..3891f33 100644
--- a/sbin/kldload/kldload.c
+++ b/sbin/kldload/kldload.c
@@ -181,7 +181,22 @@ main(int argc, char** argv)
 						printf("%s is already "
 						    "loaded\n", argv[0]);
 				} else {
-					warn("can't load %s", argv[0]);
+					switch (errno) {
+					case EEXIST:
+						warnx("can't load %s: module "
+						    "already loaded or "
+						    "in kernel", argv[0]);
+						break;
+					case ENOEXEC:
+						warnx("an error occurred while "
+						    "loading the module. "
+						    "Please check dmesg(8) for "
+						    "more details.");
+						break;
+					default:
+						warn("can't load %s", argv[0]);
+						break;
+					}
 					errors++;
 				}
 			} else {