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authorPan Bian <bianpan2016@163.com>2016-12-03 20:25:45 +0800
committerDavid S. Miller <davem@davemloft.net>2016-12-05 13:27:33 -0500
commit4606c9e8c541f97034e53e644129376a6170b8c7 (patch)
treedadbc5b83a85d7202b93c1c2dbb849a344ba96dd /drivers/atm
parent51920830d9d0eb617af18dc60443fcd4fb50a533 (diff)
downloadlinux-4606c9e8c541f97034e53e644129376a6170b8c7.tar.bz2
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>
Diffstat (limited to 'drivers/atm')
-rw-r--r--drivers/atm/lanai.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index ce43ae3e87b3..445505d9ea07 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -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 */