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author | Niklas Söderlund <niso@kth.se> | 2013-08-23 23:29:23 +0000 |
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committer | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2013-08-23 23:29:23 +0000 |
commit | 89edf36c177eec2b1a2cbbcaff48c4e9a946a190 (patch) | |
tree | 20c63c2ef9a36bd6ba61248d8bbc337cf4a509e5 /drkaiser.c | |
parent | 184c52c94191a354afb0cd2c91e9932e66a5cd3d (diff) | |
download | flashrom-89edf36c177eec2b1a2cbbcaff48c4e9a946a190.tar.gz flashrom-89edf36c177eec2b1a2cbbcaff48c4e9a946a190.tar.bz2 flashrom-89edf36c177eec2b1a2cbbcaff48c4e9a946a190.zip |
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.c | 2 |
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); |