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There are several problems in the error handling in fsl_mqs_probe().
1) "ret" isn't initialized on some paths. GCC has a feature which
warns about uninitialized variables but the code initializes "ret"
to zero at the start of the function so the checking is turned off.
2) "gpr_np" is a pointer so initializing it to zero is confusing and
generates a Sparse warning.
3) of_parse_phandle() doesn't return error pointers on error, it returns
NULL.
4) If devm_snd_soc_register_component() fails then the function should
free the "gpr_np".
Fixes: 9e28f6532c61 ("ASoC: fsl_mqs: Add MQS component driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20191004102208.GB823@mwanda
Signed-off-by: Mark Brown <broonie@kernel.org>
a9d2736714