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authorHans de Goede <hdegoede@redhat.com>2020-12-21 14:42:25 +0100
committerWolfram Sang <wsa@kernel.org>2021-01-04 19:25:02 +0100
commit0b3ea2a06de1f52ea30865e227e109a5fd3b6214 (patch)
tree813682f4c3ce2f2a89d3da19448e79ec54bbbafa /drivers/i2c/busses
parent0b884fe71f9ee6a5df35e677154256ea2099ebb8 (diff)
i2c: i801: Fix the i2c-mux gpiod_lookup_table not being properly terminated
gpiod_add_lookup_table() expects the gpiod_lookup_table->table passed to it to be terminated with a zero-ed out entry. So we need to allocate one more entry then we will use. Fixes: d308dfbf62ef ("i2c: mux/i801: Switch to use descriptor passing") Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-i801.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index ae90713443fa..877fe3733a42 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1449,7 +1449,7 @@ static int i801_add_mux(struct i801_priv *priv)
/* Register GPIO descriptor lookup table */
lookup = devm_kzalloc(dev,
- struct_size(lookup, table, mux_config->n_gpios),
+ struct_size(lookup, table, mux_config->n_gpios + 1),
GFP_KERNEL);
if (!lookup)
return -ENOMEM;