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b43: refuse to load unsupported firmware

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[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>
This commit is contained in:
Rafał Miłecki
2011-11-08 17:15:03 +01:00
committed by Greg Kroah-Hartman
parent 7608d6b743
commit 261a21ff99
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/b43/main.c
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@@ -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;