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Diffstat (limited to 'target/linux/generic/backport-4.19/504-v5.1-iio-chemical-sps30-fix-a-loop-timeout-test.patch')
-rw-r--r--target/linux/generic/backport-4.19/504-v5.1-iio-chemical-sps30-fix-a-loop-timeout-test.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/generic/backport-4.19/504-v5.1-iio-chemical-sps30-fix-a-loop-timeout-test.patch b/target/linux/generic/backport-4.19/504-v5.1-iio-chemical-sps30-fix-a-loop-timeout-test.patch
new file mode 100644
index 0000000000..e0fcdc2ce2
--- /dev/null
+++ b/target/linux/generic/backport-4.19/504-v5.1-iio-chemical-sps30-fix-a-loop-timeout-test.patch
@@ -0,0 +1,28 @@
+From 905889b4a34c753a538015f0b2cdaa0c9e3a4fd5 Mon Sep 17 00:00:00 2001
+From: Dan Carpenter <dan.carpenter@oracle.com>
+Date: Sat, 9 Feb 2019 12:03:52 +0300
+Subject: [PATCH] iio: chemical: sps30: fix a loop timeout test
+
+The "while (tries--) {" loop is a postop so it exits with "tries" set
+to -1.
+
+Fixes: 232e0f6ddeae ("iio: chemical: add support for Sensirion SPS30 sensor")
+Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
+Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
+---
+ drivers/iio/chemical/sps30.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/iio/chemical/sps30.c b/drivers/iio/chemical/sps30.c
+index e03a28a67146..375df5060ed5 100644
+--- a/drivers/iio/chemical/sps30.c
++++ b/drivers/iio/chemical/sps30.c
+@@ -210,7 +210,7 @@ static int sps30_do_meas(struct sps30_state *state, s32 *data, int size)
+ msleep_interruptible(300);
+ }
+
+- if (!tries)
++ if (tries == -1)
+ return -ETIMEDOUT;
+
+ ret = sps30_do_cmd(state, SPS30_READ_DATA, tmp, sizeof(int) * size);