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Fix memory leak in umount.c

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PR:		bin/172553
Submitted by:	Erik Cederstrand <erik@cederstrand.dk>
Approved by:	cperciva
MFC after:	3 days
This commit is contained in:
eadler 2012-11-15 15:06:21 +00:00
parent 23382e4b50
commit a3bf527f51
1 changed files with 10 additions and 3 deletions
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13
sbin/umount/umount.c
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@ -359,8 +359,10 @@ umountfs(struct statfs *sfs)
do_rpc = 1;
}
if (!namematch(ai))
if (!namematch(ai)) {
free(orignfsdirname);
return (1);
}
/* First try to unmount using the file system ID. */
snprintf(fsidbuf, sizeof(fsidbuf), "FSID:%d:%d", sfs->f_fsid.val[0],
sfs->f_fsid.val[1]);
@ -369,13 +371,16 @@ umountfs(struct statfs *sfs)
if (errno != ENOENT || sfs->f_fsid.val[0] != 0 ||
sfs->f_fsid.val[1] != 0)
warn("unmount of %s failed", sfs->f_mntonname);
if (errno != ENOENT)
if (errno != ENOENT) {
free(orignfsdirname);
return (1);
}
/* Compatibility for old kernels. */
if (sfs->f_fsid.val[0] != 0 || sfs->f_fsid.val[1] != 0)
warnx("retrying using path instead of file system ID");
if (unmount(sfs->f_mntonname, fflag) != 0) {
warn("unmount of %s failed", sfs->f_mntonname);
free(orignfsdirname);
return (1);
}
}
@ -393,6 +398,7 @@ umountfs(struct statfs *sfs)
if (clp == NULL) {
warnx("%s: %s", hostp,
clnt_spcreateerror("MOUNTPROG"));
free(orignfsdirname);
return (1);
}
clp->cl_auth = authsys_create_default();
@ -403,6 +409,7 @@ umountfs(struct statfs *sfs)
if (clnt_stat != RPC_SUCCESS) {
warnx("%s: %s", hostp,
clnt_sperror(clp, "RPCMNT_UMOUNT"));
free(orignfsdirname);
return (1);
}
/*
@ -415,10 +422,10 @@ umountfs(struct statfs *sfs)
hostp, nfsdirname);
free_mtab();
}
free(orignfsdirname);
auth_destroy(clp->cl_auth);
clnt_destroy(clp);
}
free(orignfsdirname);
return (0);
}