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sr_scpi_free(): Allow NULL as argument.

This commit is contained in:
Uwe Hermann 2017-03-08 19:47:54 +01:00
parent 7b365c4719
commit 815685462f
1 changed files with 5 additions and 3 deletions
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8
src/scpi/scpi.c
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@ -364,12 +364,14 @@ SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi)
/** /**
* Free SCPI device. * Free SCPI device.
* *
* @param scpi Previously initialized SCPI device structure. * @param scpi Previously initialized SCPI device structure. If NULL,
* * this function does nothing.
* @return SR_OK on success, SR_ERR on failure.
*/ */
SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi) SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi)
{ {
if (!scpi)
return;
scpi->free(scpi->priv); scpi->free(scpi->priv);
g_free(scpi->priv); g_free(scpi->priv);
g_free(scpi); g_free(scpi);