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-rw-r--r--drivers/iio/multiplexer/iio-mux.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c
index 37ba007f8dca..74831fcd0313 100644
--- a/drivers/iio/multiplexer/iio-mux.c
+++ b/drivers/iio/multiplexer/iio-mux.c
@@ -285,6 +285,9 @@ static int mux_configure_channel(struct device *dev, struct mux *mux,
child->ext_info_cache = devm_kzalloc(dev,
sizeof(*child->ext_info_cache) *
num_ext_info, GFP_KERNEL);
+ if (!child->ext_info_cache)
+ return -ENOMEM;
+
for (i = 0; i < num_ext_info; ++i) {
child->ext_info_cache[i].size = -1;
@@ -309,6 +312,9 @@ static int mux_configure_channel(struct device *dev, struct mux *mux,
child->ext_info_cache[i].data = devm_kmemdup(dev, page, ret + 1,
GFP_KERNEL);
+ if (!child->ext_info_cache[i].data)
+ return -ENOMEM;
+
child->ext_info_cache[i].data[ret] = 0;
child->ext_info_cache[i].size = ret;
}