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authorRafał Miłecki <zajec5@gmail.com>2011-11-08 17:15:03 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-21 14:35:24 -0800
commit261a21ff99fb3cef1958b30e4456866ec4427b5b (patch)
tree2d27f41becb443d56abcf056bb3c828f33d1f40e /drivers/net
parent7608d6b743d5347a01d0afc1b2f8f863a21ebb01 (diff)
b43: refuse to load unsupported firmware
[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 <zajec5@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/b43/main.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index e293a7921bf..fdb4df2dd2a 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2508,6 +2508,13 @@ 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;