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| author | Michael Brown <mcb30@ipxe.org> | 2014-07-16 15:53:43 +0100 |
|---|---|---|
| committer | Michael Brown <mcb30@ipxe.org> | 2014-07-16 15:53:43 +0100 |
| commit | 720ae17aa4c23e4dcf572e4ee74b2e324565e5d4 (patch) | |
| tree | 4e4d70491d046891eb9307b7733c5352fc73ec28 | |
| parent | 022ef91984832c63128f7af1c17c2797623827b6 (diff) | |
| download | ipxe-720ae17aa4c23e4dcf572e4ee74b2e324565e5d4.tar.gz | |
[myson] Check for ioremap() failures
Signed-off-by: Michael Brown <mcb30@ipxe.org>
| -rw-r--r-- | src/drivers/net/myson.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/drivers/net/myson.c b/src/drivers/net/myson.c index 237f87210..6abb55660 100644 --- a/src/drivers/net/myson.c +++ b/src/drivers/net/myson.c @@ -603,6 +603,10 @@ static int myson_probe ( struct pci_device *pci ) { /* Map registers */ myson->regs = ioremap ( pci->membase, MYSON_BAR_SIZE ); + if ( ! myson->regs ) { + rc = -ENODEV; + goto err_ioremap; + } /* Reset the NIC */ if ( ( rc = myson_reset ( myson ) ) != 0 ) @@ -627,6 +631,7 @@ static int myson_probe ( struct pci_device *pci ) { myson_reset ( myson ); err_reset: iounmap ( myson->regs ); + err_ioremap: netdev_nullify ( netdev ); netdev_put ( netdev ); err_alloc: |