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authorMartin Roth <gaumless@gmail.com>2023-10-23 17:47:03 -0600
committerFelix Singer <service+coreboot-gerrit@felixsinger.de>2023-12-20 17:01:49 +0000
commitfab89b34e70dd52450db86dc115317fcb1d42ebe (patch)
treef8a4a9623492e5d901589fe84bdc2bf397c2448f /src/device
parent9bcbdbf9e48f3977cf5d48732527bbf02fea02de (diff)
device/i2c_bus.c: Check pointer for NULL before using it
Found-by: Coverity Scan #1489753 Signed-off-by: Martin Roth <gaumless@gmail.com> Change-Id: I4f3794cf17875cdb35010c79a6537a4c13a18224 Reviewed-on: https://review.coreboot.org/c/coreboot/+/78615 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Diffstat (limited to 'src/device')
-rw-r--r--src/device/i2c_bus.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/device/i2c_bus.c b/src/device/i2c_bus.c
index 361bb67df8..1d4aa2d2b3 100644
--- a/src/device/i2c_bus.c
+++ b/src/device/i2c_bus.c
@@ -11,6 +11,8 @@
bool i2c_dev_detect(struct device *dev, unsigned int addr)
{
struct i2c_msg seg = { .flags = 0, .slave = addr, .buf = NULL, .len = 0 };
+ if (!dev)
+ return false;
return dev->ops->ops_i2c_bus->transfer(dev, &seg, 1) == 0;
}