m68k: macide doesnt check for Mac

The Macintosh IDE driver (macide) doesn't check whether it's actually running
on Mac hardware, causing a crash if it isn't.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index 1f527bb..caa2632 100644 (file)
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -95,6 +95,9 @@ static int __init macide_init(void)
        int irq;
        hw_regs_t hw;
 
+       if (!MACH_IS_MAC)
+               return -ENODEV;
+
        switch (macintosh_config->ide_type) {
        case MAC_IDE_QUADRA:
                base = IDE_BASE;