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authorNiklas Söderlund <niso@kth.se>2013-08-23 23:29:23 +0000
committerStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>2013-08-23 23:29:23 +0000
commit89edf36c177eec2b1a2cbbcaff48c4e9a946a190 (patch)
tree20c63c2ef9a36bd6ba61248d8bbc337cf4a509e5 /drkaiser.c
parent184c52c94191a354afb0cd2c91e9932e66a5cd3d (diff)
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Add additional error handling to pcidev_readbar() callers
This is mostly a leftover of Niklas' "remove exit call from pcidev_init" patch. While not explicitly necessary detecting errors early is usually a good idea. Corresponding to flashrom svn r1718. Signed-off-by: Niklas Söderlund <niso@kth.se> Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Diffstat (limited to 'drkaiser.c')
-rw-r--r--drkaiser.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drkaiser.c b/drkaiser.c
index 8c9fb6a19..0cf1fdbd2 100644
--- a/drkaiser.c
+++ b/drkaiser.c
@@ -69,6 +69,8 @@ int drkaiser_init(void)
return 1;
addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_2);
+ if (!addr)
+ return 1;
/* Write magic register to enable flash write. */
rpci_write_word(dev, PCI_MAGIC_DRKAISER_ADDR, PCI_MAGIC_DRKAISER_VALUE);