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arch/ia64/kernel/iosapic: missing test after ioremap()

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Missing test after ioremap()

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
This commit is contained in:
Roel Kluin 2009-08-11 14:52:11 -07:00 committed by Fenghua Yu
parent 5359dffd43
commit e7369e01eb
1 changed files with 4 additions and 0 deletions
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arch/ia64/kernel/iosapic.c
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@ -1072,6 +1072,10 @@ iosapic_init (unsigned long phys_addr, unsigned int gsi_base)
} }
addr = ioremap(phys_addr, 0); addr = ioremap(phys_addr, 0);
if (addr == NULL) {
spin_unlock_irqrestore(&iosapic_lock, flags);
return -ENOMEM;
}
ver = iosapic_version(addr); ver = iosapic_version(addr);
if ((err = iosapic_check_gsi_range(gsi_base, ver))) { if ((err = iosapic_check_gsi_range(gsi_base, ver))) {
iounmap(addr); iounmap(addr);