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	control: Make ump_{endpoint|block}_info calls optional
Add the NULL check for ump_endpoint_info and ump_block_info calls.
Those can be NULl depending on the target.
Fixes: 81b0cf46d1 ("control: Add UMP Endpoint and Block info query support")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
			
			
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					 1 changed files with 7 additions and 2 deletions
				
			
		|  | @ -1293,7 +1293,10 @@ int snd_ctl_ump_next_device(snd_ctl_t *ctl, int *device) | |||
| int snd_ctl_ump_endpoint_info(snd_ctl_t *ctl, snd_ump_endpoint_info_t *info) | ||||
| { | ||||
| 	assert(ctl && info); | ||||
| 	fprintf(stderr, "%s:%d\n", __func__, __LINE__); | ||||
| 	if (ctl->ops->ump_endpoint_info) | ||||
| 		return ctl->ops->ump_endpoint_info(ctl, info); | ||||
| 	return -ENXIO; | ||||
| } | ||||
| 
 | ||||
| /**
 | ||||
|  | @ -1305,7 +1308,9 @@ int snd_ctl_ump_endpoint_info(snd_ctl_t *ctl, snd_ump_endpoint_info_t *info) | |||
| int snd_ctl_ump_block_info(snd_ctl_t *ctl, snd_ump_block_info_t *info) | ||||
| { | ||||
| 	assert(ctl && info); | ||||
| 	if (ctl->ops->ump_block_info) | ||||
| 		return ctl->ops->ump_block_info(ctl, info); | ||||
| 	return -ENXIO; | ||||
| } | ||||
| 
 | ||||
| /**
 | ||||
|  |  | |||
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	 Takashi Iwai
						Takashi Iwai