diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/debugfs.h')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/debugfs.h | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h index bf14676e6515..a9e13e6d65c5 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.h +++ b/drivers/net/wireless/ti/wlcore/debugfs.h @@ -1,24 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * This file is part of wl1271 * * Copyright (C) 2009 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * */ #ifndef __DEBUGFS_H__ @@ -53,19 +39,15 @@ static const struct file_operations name## _ops = { \ #define DEBUGFS_ADD(name, parent) \ do { \ - entry = debugfs_create_file(#name, 0400, parent, \ - wl, &name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ + debugfs_create_file(#name, 0400, parent, \ + wl, &name## _ops); \ } while (0) #define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ do { \ - entry = debugfs_create_file(#name, 0400, parent, \ + debugfs_create_file(#name, 0400, parent, \ wl, &prefix## _## name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ } while (0) #define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \ @@ -96,13 +78,14 @@ 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 pos = 0; \ + 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]); \ + for (i = 0; i < len && pos < sizeof(buf); i++) \ + pos += snprintf(buf + pos, sizeof(buf) - pos, \ + "[%d] = %d\n", i, stats->sub.name[i]); \ \ return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \ } \ |