mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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26 lines
857 B
Diff
26 lines
857 B
Diff
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From 3596276e2c034b2243d5e384e9ffb787f137158a Mon Sep 17 00:00:00 2001
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From: Kevin Mihelich <kevin@archlinuxarm.org>
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Date: Fri, 13 Jan 2017 13:10:02 -0700
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Subject: [PATCH 2/2] i2c: bcm2835: prevent null pointer dereference
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---
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drivers/i2c/busses/i2c-bcm2835.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
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index c3436f627028..cc840b86caab 100644
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--- a/drivers/i2c/busses/i2c-bcm2835.c
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+++ b/drivers/i2c/busses/i2c-bcm2835.c
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@@ -195,7 +195,7 @@ static irqreturn_t bcm2835_i2c_isr(int this_irq, void *data)
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}
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if (val & BCM2835_I2C_S_DONE) {
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- if (i2c_dev->curr_msg->flags & I2C_M_RD) {
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+ if (i2c_dev->curr_msg && (i2c_dev->curr_msg->flags & I2C_M_RD)) {
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bcm2835_drain_rxfifo(i2c_dev);
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val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S);
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}
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--
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2.11.0
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