Missing tests after ioremap() Signed-off-by: Roel Kluin <roel.kl...@gmail.com> --- Shouldn't we test whether ioremaps fail?
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index e6c0040..3a4ebd3 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -2589,9 +2589,16 @@ static void __init probe_uninorth(void) if (address == 0) return; uninorth_base = ioremap(address, 0x40000); + if (uninorth_base == NULL) + return; uninorth_rev = in_be32(UN_REG(UNI_N_VERSION)); - if (uninorth_maj == 3 || uninorth_maj == 4) + if (uninorth_maj == 3 || uninorth_maj == 4) { u3_ht_base = ioremap(address + U3_HT_CONFIG_BASE, 0x1000); + if (u3_ht_base == NULL) { + iounmap(uninorth_base); + return; + } + } printk(KERN_INFO "Found %s memory controller & host bridge" " @ 0x%08x revision: 0x%02x\n", uninorth_maj == 3 ? "U3" : _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev