staging: mt7621-pinctrl: fix uninitialized variable ngroups
commit cd56a5141331abfe218d744a3d66e1788135d482 upstream. Currently the for_each_node_with_property loop us incrementing variable ngroups however it was not initialized and hence will contain garbage. Fix this by initializing ngroups to zero. Detected with static analysis with cppcheck: drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c:89]: (error) Uninitialized variable: ngroups Fixes: e12a1a6e ("staging: mt7621-pinctrl: refactor rt2880_pinctrl_dt_node_to_map function") Signed-off-by: NColin Ian King <colin.king@canonical.com> Reviewed-by: NSergio Paracuellos <sergio.paracuellos@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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