On 08-Jun-18 12:20, Ivan Vecera wrote:
> Memory allocated for 'hkey' is not freed when
> get_stringset(..., ETH_SS_RSS_HASH_FUNCS...) fails.
>
> Fixes: b888f35 ("ethtool: Support for configurable RSS hash function")
Thanks for fixing this!
Please use the first 12 characters of the sha1 in the Fixes line.
> Cc: Gal Pressman <g...@mellanox.com>
> Signed-off-by: Ivan Vecera <c...@cera.cz>
> ---
> ethtool.c | 13 ++++++-------
> 1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/ethtool.c b/ethtool.c
> index 2b90984..fb93ae8 100644
> --- a/ethtool.c
> +++ b/ethtool.c
> @@ -3910,7 +3910,7 @@ static int do_srxfhindir(struct cmd_context *ctx, int
> rxfhindir_default,
> static int do_srxfh(struct cmd_context *ctx)
> {
> struct ethtool_rxfh rss_head = {0};
> - struct ethtool_rxfh *rss;
> + struct ethtool_rxfh *rss = NULL;
> struct ethtool_rxnfc ring_count;
> int rxfhindir_equal = 0, rxfhindir_default = 0;
> struct ethtool_gstrings *hfuncs = NULL;
> @@ -4064,7 +4064,8 @@ static int do_srxfh(struct cmd_context *ctx)
> hfuncs = get_stringset(ctx, ETH_SS_RSS_HASH_FUNCS, 0, 1);
> if (!hfuncs) {
> perror("Cannot get hash functions names");
> - return 1;
> + err = 1;
> + goto free;
> }
>
> for (i = 0; i < hfuncs->len && !req_hfunc ; i++) {
> @@ -4078,8 +4079,8 @@ static int do_srxfh(struct cmd_context *ctx)
> if (!req_hfunc) {
> fprintf(stderr,
> "Unknown hash function: %s\n", req_hfunc_name);
> - free(hfuncs);
> - return 1;
> + err = 1;
> + goto free;
> }
> }
>
> @@ -4120,9 +4121,7 @@ static int do_srxfh(struct cmd_context *ctx)
> }
>
> free:
> - if (hkey)
> - free(hkey);
> -
> + free(hkey);
> free(rss);
> free(hfuncs);
> return err;
>
