[PATCH] staging: lustre: lustre: ptlrpc: sec.c: Replacing strncat with strlcat to avoid overwrite size

From: Rickard Strandqvist
Date: Sun Oct 12 2014 - 11:53:31 EST


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@xxxxxxxxxxxxxxxxxx>
---
drivers/staging/lustre/lustre/ptlrpc/sec.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec.c b/drivers/staging/lustre/lustre/ptlrpc/sec.c
index 5cff7ee..d276e98 100644
--- 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);
--
1.7.10.4

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