staging: lustre: lustre: ptlrpc: sec.c: Replacing strncat with strlcat to avoid overw...

Changed from using strncat with strlcat to avoid overwrite the max size.
Take the opportunity to change a snprint to strlcpy.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec.c b/drivers/staging/lustre/lustre/ptlrpc/sec.c
index 4ce7685..6ac8a83 100644 (file)
--- a/drivers/staging/lustre/lustre/ptlrpc/sec.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec.c
@@ -209,7 +209,7 @@ EXPORT_SYMBOL(sptlrpc_flavor2name_bulk);
 
 char *sptlrpc_flavor2name(struct sptlrpc_flavor *sf, char *buf, int bufsize)
 {
-       snprintf(buf, bufsize, "%s", sptlrpc_flavor2name_base(sf->sf_rpc));
+       strlcpy(buf, sptlrpc_flavor2name_base(sf->sf_rpc), bufsize);
 
        /*
         * currently we don't support customized bulk specification for
@@ -220,10 +220,9 @@ char *sptlrpc_flavor2name(struct sptlrpc_flavor *sf, char *buf, int bufsize)
 
                bspec[0] = '-';
                sptlrpc_flavor2name_bulk(sf, &bspec[1], sizeof(bspec) - 1);
-               strncat(buf, bspec, bufsize);
+               strlcat(buf, bspec, bufsize);
        }
 
-       buf[bufsize - 1] = '\0';
        return buf;
 }
 EXPORT_SYMBOL(sptlrpc_flavor2name);