Signed-off-by: Phil Sutter <p...@nwl.cc> --- lib/namespace.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/lib/namespace.c b/lib/namespace.c index a61feb6..8197165 100644 --- a/lib/namespace.c +++ b/lib/namespace.c @@ -58,32 +58,35 @@ int netns_switch(char *name) if (setns(netns, CLONE_NEWNET) < 0) { fprintf(stderr, "setting the network namespace \"%s\" failed: %s\n", name, strerror(errno)); - return -1; + goto fail_close; } if (unshare(CLONE_NEWNS) < 0) { fprintf(stderr, "unshare failed: %s\n", strerror(errno)); - return -1; + goto fail_close; } /* Don't let any mounts propagate back to the parent */ if (mount("", "/", "none", MS_SLAVE | MS_REC, NULL)) { fprintf(stderr, "\"mount --make-rslave /\" failed: %s\n", strerror(errno)); - return -1; + goto fail_close; } /* Mount a version of /sys that describes the network namespace */ if (umount2("/sys", MNT_DETACH) < 0) { fprintf(stderr, "umount of /sys failed: %s\n", strerror(errno)); - return -1; + goto fail_close; } if (mount(name, "/sys", "sysfs", 0, NULL) < 0) { fprintf(stderr, "mount of /sys failed: %s\n",strerror(errno)); - return -1; + goto fail_close; } /* Setup bind mounts for config files in /etc */ bind_etc(name); return 0; +fail_close: + close(netns); + return -1; } int netns_get_fd(const char *name) -- 2.1.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html