[PATCH] qemu-ns: Detect /dev/* mount point duplicates even better

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

In 4f1570720218302 I've tried to make duplicates detection for
nested /dev mount better. However, I've missed the obvious case
when there are two same mount points. For instance if:

  # mount --bind /dev/blah /dev/blah
  # mount --bind /dev/blah /dev/blah

Yeah, very unlikely but possible.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/qemu/qemu_domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 702463547..61d28337b 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -8352,7 +8352,7 @@ qemuDomainGetPreservedMounts(virQEMUDriverConfigPtr cfg,
         while (j < nmounts) {
             char *c = STRSKIP(mounts[j], mounts[i]);
 
-            if (c && *c == '/') {
+            if (c && (*c == '/' || *c == '\0')) {
                 VIR_DEBUG("Dropping path %s because of %s", mounts[j], mounts[i]);
                 VIR_DELETE_ELEMENT(mounts, j, nmounts);
             } else {
-- 
2.13.6

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