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i2c: mvtwsi.c: Avoid NULL dereference

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For '#ifndef CONFIG_DM_I2C' twsi_i2c_init() passes NULL as
4th parameter to __twsi_i2c_init().

Identified with cppcheck.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2018-01-31 00:57:17 +01:00 committed by Heiko Schocher
parent 9cef983d1c
commit 8bcf12ccce
1 changed files with 2 additions and 1 deletions
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drivers/i2c/mvtwsi.c
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@ -490,6 +490,7 @@ static void __twsi_i2c_init(struct mvtwsi_registers *twsi, int speed,
/* Reset controller */
twsi_reset(twsi);
/* Set speed */
if (actual_speed)
*actual_speed = __twsi_i2c_set_bus_speed(twsi, speed);
/* Set slave address; even though we don't use it */
writel(slaveadd, &twsi->slave_address);