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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-12-11 18:00:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-19 12:59:45 +0100 |
| commit | 377e7a27c049d6df9c1804454904e438ed12f1a4 (patch) | |
| tree | 4d954cde851170e98fea196869de609815306410 /fs/nfsd/nfs4layouts.c | |
| parent | kmod: make usermodehelper path a const string (diff) | |
| download | linux-377e7a27c049d6df9c1804454904e438ed12f1a4.tar.xz linux-377e7a27c049d6df9c1804454904e438ed12f1a4.zip | |
Make static usermode helper binaries constant
There are a number of usermode helper binaries that are "hard coded" in
the kernel today, so mark them as "const" to make it harder for someone
to change where the variables point to.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Sailer <t.sailer@alumni.ethz.ch>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Jeff Layton <jlayton@poochiereds.net>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfsd/nfs4layouts.c')
| -rw-r--r-- | fs/nfsd/nfs4layouts.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index 596205d939a1..e06a4ae5f3ad 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -613,6 +613,7 @@ nfsd4_cb_layout_fail(struct nfs4_layout_stateid *ls) { struct nfs4_client *clp = ls->ls_stid.sc_client; char addr_str[INET6_ADDRSTRLEN]; + static char const nfsd_recall_failed[] = "/sbin/nfsd-recall-failed"; static char *envp[] = { "HOME=/", "TERM=linux", @@ -628,12 +629,13 @@ nfsd4_cb_layout_fail(struct nfs4_layout_stateid *ls) "nfsd: client %s failed to respond to layout recall. " " Fencing..\n", addr_str); - argv[0] = "/sbin/nfsd-recall-failed"; + argv[0] = (char *)nfsd_recall_failed; argv[1] = addr_str; argv[2] = ls->ls_file->f_path.mnt->mnt_sb->s_id; argv[3] = NULL; - error = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC); + error = call_usermodehelper(nfsd_recall_failed, argv, envp, + UMH_WAIT_PROC); if (error) { printk(KERN_ERR "nfsd: fence failed for client %s: %d!\n", addr_str, error); |