[Qemu-devel] [PATCH 02/10] slirp: check system() success

[Juan Quintela]

we shouldn't call W*() macros until we check that fork worked.

Signed-off-by: Juan Quintela <address@hidden>
---
 net/slirp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/slirp.c b/net/slirp.c
index 317cca7..7f846ec 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -472,7 +472,7 @@ static void slirp_smb_cleanup(SlirpState *s)
     if (s->smb_dir[0] != '\0') {
         snprintf(cmd, sizeof(cmd), "rm -rf %s", s->smb_dir);
         ret = system(cmd);
-        if (!WIFEXITED(ret)) {
+        if (ret == -1 || !WIFEXITED(ret)) {
             qemu_error("'%s' failed.\n", cmd);
         } else if (WEXITSTATUS(ret)) {
             qemu_error("'%s' failed. Error code: %d\n",
-- 
1.6.6.1