From patchwork Tue Mar 16 08:01:46 2010
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Subject: [trivial,one-liner] be more specific in -mem-path error messages
From: Michael Tokarev <mjt@tls.msk.ru>
X-Patchwork-Id: 47812
Message-Id: <4B9F3AEA.8010408@msgid.tls.msk.ru>
To: qemu-devel <qemu-devel@nongnu.org>
Date: Tue, 16 Mar 2010 11:01:46 +0300

The error message qemu gives when hugetlbfs is not
accessible is cryptic at best:

  mkstemp: Permission denied

Make it a bit more specific instead:

 unable to create backing store for hugepages: Permission denied

Thanks!

/mjt


diff --git a/exec.c b/exec.c
index 891e0ee..985bdde 100644
--- a/exec.c
+++ b/exec.c
@@ -2569,5 +2569,5 @@ static void *file_ram_alloc(ram_addr_t memory, const char *path)
     fd = mkstemp(filename);
     if (fd < 0) {
-	perror("mkstemp");
+	perror("unable to create backing store for hugepages");
 	free(filename);
 	return NULL;