wlcore: debugfs: Remove unused variable 'res'

Fixes the following W=1 kernel build warning(s):

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Luciano Coelho <luciano.coelho@nokia.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200826093401.1458456-16-lee.jones@linaro.org

diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h
index fc3bb0d..b143293 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/debugfs.h
+++ b/drivers/net/wireless/ti/wlcore/debugfs.h
@@ -78,13 +78,13 @@ static ssize_t sub## _ ##name## _read(struct file *file,            \
        struct wl1271 *wl = file->private_data;                         \
        struct struct_type *stats = wl->stats.fw_stats;                 \
        char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = "";                      \
-       int res, i;                                                     \
+       int i;                                                          \
                                                                        \
        wl1271_debugfs_update_stats(wl);                                \
                                                                        \
        for (i = 0; i < len; i++)                                       \
-               res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n",       \
-                              buf, i, stats->sub.name[i]);             \
+               snprintf(buf, sizeof(buf), "%s[%d] = %d\n",             \
+                        buf, i, stats->sub.name[i]);                   \
                                                                        \
        return wl1271_format_buffer(userbuf, count, ppos, "%s", buf);   \
 }                                                                      \