qemu: caps: Don't try to ask for CAP_DAC_OVERRIDE if non-root

It will not work. This breaks qemu capabilities probing as a user.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 7ed5f94803af21349a6a1a55616b1ac5b35285b7..81ef0357e7bf6cda420d766a670e00811dad436a 100644 (file)
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -4524,7 +4524,8 @@ virQEMUCapsInitQMPCommandRun(virQEMUCapsInitQMPCommandPtr cmd,
 #if WITH_CAPNG
     /* QEMU might run into permission issues, e.g. /dev/sev (0600), override
      * them just for the purpose of probing */
-    virCommandAllowCap(cmd->cmd, CAP_DAC_OVERRIDE);
+    if (geteuid() == 0)
+        virCommandAllowCap(cmd->cmd, CAP_DAC_OVERRIDE);
 #endif
 
     virCommandSetGID(cmd->cmd, cmd->runGid);