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atm: fix improper return value

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It returns variable "error" when ioremap_nocache() returns a NULL
pointer. The value of "error" is 0 then, which will mislead the callers
to believe that there is no error. This patch fixes the bug, returning
"-ENOMEM".

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189021

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pan Bian 2016-12-04 13:45:15 +08:00 committed by David S. Miller
parent 8ad3ba9345
commit 7cf6156633
1 changed files with 1 additions and 1 deletions
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2
drivers/atm/eni.c
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@ -1727,7 +1727,7 @@ static int eni_do_init(struct atm_dev *dev)
printk("\n");
printk(KERN_ERR DEV_LABEL "(itf %d): can't set up page "
"mapping\n",dev->number);
return error;
return -ENOMEM;
}
eni_dev->ioaddr = base;
eni_dev->base_diff = real_base - (unsigned long) base;