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Subject: media: i2c: dw9714: Disable the regulator when the driver fails to probe Author: Zheyu Ma <[email protected]> Date: Thu Apr 14 03:34:35 2022 +0100 When the driver fails to probe, we will get the following splat: [ 59.305988] ------------[ cut here ]------------ [ 59.306417] WARNING: CPU: 2 PID: 395 at drivers/regulator/core.c:2257 _regulator_put+0x3ec/0x4e0 [ 59.310345] RIP: 0010:_regulator_put+0x3ec/0x4e0 [ 59.318362] Call Trace: [ 59.318582] <TASK> [ 59.318765] regulator_put+0x1f/0x30 [ 59.319058] devres_release_group+0x319/0x3d0 [ 59.319420] i2c_device_probe+0x766/0x940 Fix this by disabling the regulator in error handling. Signed-off-by: Zheyu Ma <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/i2c/dw9714.c | 1 + 1 file changed, 1 insertion(+) --- diff --git a/drivers/media/i2c/dw9714.c b/drivers/media/i2c/dw9714.c index cd7008ad8f2f..8c5797ba57d4 100644 --- a/drivers/media/i2c/dw9714.c +++ b/drivers/media/i2c/dw9714.c @@ -183,6 +183,7 @@ static int dw9714_probe(struct i2c_client *client) return 0; err_cleanup: + regulator_disable(dw9714_dev->vcc); v4l2_ctrl_handler_free(&dw9714_dev->ctrls_vcm); media_entity_cleanup(&dw9714_dev->sd.entity); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
