From 91ed232dabe5c813aa506c218223a484e78092eb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Tue, 8 Nov 2011 17:15:03 +0100 Subject: b43: refuse to load unsupported firmware MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [This patch is supposed to be applied in 3.1 (and maybe older) branches only.] New kernels support newer firmware that users may try to incorrectly use with older kernels. Display error and explain the problem in such a case Signed-off-by: Rafał Miłecki Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/b43/main.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index b1fe4fe..7c2e09a 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2401,6 +2401,13 @@ static int b43_upload_microcode(struct b43_wldev *dev) b43_print_fw_helptext(dev->wl, 1); err = -EOPNOTSUPP; goto error; + } else if (fwrev >= 598) { + b43err(dev->wl, "YOUR FIRMWARE IS TOO NEW. Support for " + "firmware 598 and up requires kernel 3.2 or newer. You " + "have to install older firmware or upgrade kernel.\n"); + b43_print_fw_helptext(dev->wl, 1); + err = -EOPNOTSUPP; + goto error; } dev->fw.rev = fwrev; dev->fw.patch = fwpatch; -- cgit v1.1