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ipvrf: Fix error path of vrf_switch()

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Apart from trying to close(-1), this also leaked memory.

Signed-off-by: Phil Sutter <phil@nwl.cc>
This commit is contained in:
Phil Sutter 2017-08-17 19:09:27 +02:00 committed by Stephen Hemminger
parent 3e587d9f43
commit 6ac5943bdd
1 changed files with 5 additions and 4 deletions
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9
ip/ipvrf.c
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@ -372,12 +372,12 @@ static int vrf_switch(const char *name)
/* -1 on length to add '/' to the end */
if (ipvrf_get_netns(netns, sizeof(netns) - 1) < 0)
return -1;
goto out;
if (vrf_path(vpath, sizeof(vpath)) < 0) {
fprintf(stderr, "Failed to get base cgroup path: %s\n",
strerror(errno));
return -1;
goto out;
}
/* if path already ends in netns then don't add it again */
@ -428,13 +428,14 @@ static int vrf_switch(const char *name)
snprintf(pid, sizeof(pid), "%d", getpid());
if (write(fd, pid, strlen(pid)) < 0) {
fprintf(stderr, "Failed to join cgroup\n");
goto out;
goto out2;
}
rc = 0;
out2:
close(fd);
out:
free(mnt);
close(fd);
return rc;
}