Commit 4606c9e8 authored Dec 03, 2016 by Pan Bian Committed by David S. Miller Dec 05, 2016

atm: lanai: set error code when ioremap fails

In function lanai_dev_open(), when the call to ioremap() fails, the
value of return variable result is 0. 0 means no error in this context.
This patch fixes the bug, assigning "-ENOMEM" to result when ioremap()
returns a NULL pointer.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188791



Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 51920830

drivers/atm/lanai.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2143,6 +2143,7 @@ static int lanai_dev_open(struct atm_dev *atmdev)
		lanai->base = (bus_addr_t) ioremap(raw_base, LANAI_MAPPING_SIZE);
		if (lanai->base == NULL) {
		printk(KERN_ERR DEV_LABEL ": couldn't remap I/O space\n");
		result = -ENOMEM;
		goto error_pci;
		}
		/* 3.3: Reset lanai and PHY */

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