From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 20 Feb 2006 19:32:53 +0000 (+0000)
Subject: Avoid unnecesasry call of resmgr
X-Git-Tag: v1.0.11rc4~29
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=609d4a7de6a9122bb944f95522e1bae45df8a7fc;p=alsa-lib.git

Avoid unnecesasry call of resmgr

Avoid unnecesasry call of resmgr if the device file really doesn't exist.
---

diff --git a/include/local.h b/include/local.h
index b18d77a9..01b79ca2 100644
--- a/include/local.h
+++ b/include/local.h
@@ -238,7 +238,9 @@ static inline int snd_open_device(const char *filename, int fmode)
 		return fd;
 	if (errno == EAGAIN || errno == EBUSY)
 		return fd;
-	return rsm_open_device(filename, fmode);
+	if (! access(filename, F_OK))
+		return rsm_open_device(filename, fmode);
+	return -1;
 }
 #else
 #define snd_open_device(filename, fmode) open(filename, fmode);