From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Recentish (2011) kernels introduced a new device called /dev/loop-control,
which causes libvirt's detection of loop devices to get confused
since it only checks for a prefix of 'loop'. Also check that the
next character is a digit
Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
---
src/util/virfile.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/util/virfile.c b/src/util/virfile.c
index 8f0eec3..2b07ac9 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -546,7 +546,11 @@ static int virFileLoopDeviceOpen(char **dev_name)
errno = 0;
while ((de = readdir(dh)) != NULL) {
- if (!STRPREFIX(de->d_name, "loop"))
+ /* Checking 'loop' prefix is insufficient, since
+ * new kernels have a dev named 'loop-control'
+ */
+ if (!STRPREFIX(de->d_name, "loop") ||
+ !c_isdigit(de->d_name[4]))
continue;
if (virAsprintf(&looppath, "/dev/%s", de->d_name) < 0)
--
1.8.3.1
--
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