~hc/RK356X_SDK_RELEASE.git

..	..	@@ -8,6 +8,7 @@
8	8	#include <linux/uaccess.h>
9	9	#include <linux/debugfs.h>
10	10	#include <linux/module.h>
	11	+#include <linux/vmalloc.h>
11	12
12	13	#include "qedf.h"
13	14	#include "qedf_dbg.h"
..	..	@@ -98,7 +99,9 @@
98	99	qedf_dbg_fp_int_cmd_read(struct file filp, char __user buffer, size_t count,
99	100	loff_t *ppos)
100	101	{
	102	+ ssize_t ret;
101	103	size_t cnt = 0;
	104	+ char *cbuf;
102	105	int id;
103	106	struct qedf_fastpath *fp = NULL;
104	107	struct qedf_dbg_ctx *qedf_dbg =
..	..	@@ -108,19 +111,25 @@
108	111
109	112	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "entered\n");
110	113
111		- cnt = sprintf(buffer, "\nFastpath I/O completions\n\n");
	114	+ cbuf = vmalloc(QEDF_DEBUGFS_LOG_LEN);
	115	+ if (!cbuf)
	116	+ return 0;
	117	+
	118	+ cnt += scnprintf(cbuf + cnt, QEDF_DEBUGFS_LOG_LEN - cnt, "\nFastpath I/O completions\n\n");
112	119
113	120	for (id = 0; id < qedf->num_queues; id++) {
114	121	fp = &(qedf->fp_array[id]);
115	122	if (fp->sb_id == QEDF_SB_ID_NULL)
116	123	continue;
117		- cnt += sprintf((buffer + cnt), "#%d: %lu\n", id,
118		- fp->completions);
	124	+ cnt += scnprintf(cbuf + cnt, QEDF_DEBUGFS_LOG_LEN - cnt,
	125	+ "#%d: %lu\n", id, fp->completions);
119	126	}
120	127
121		- cnt = min_t(int, count, cnt - *ppos);
122		- *ppos += cnt;
123		- return cnt;
	128	+ ret = simple_read_from_buffer(buffer, count, ppos, cbuf, cnt);
	129	+
	130	+ vfree(cbuf);
	131	+
	132	+ return ret;
124	133	}
125	134
126	135	static ssize_t
..	..	@@ -138,15 +147,14 @@
138	147	loff_t *ppos)
139	148	{
140	149	int cnt;
	150	+ char cbuf[32];
141	151	struct qedf_dbg_ctx *qedf_dbg =
142	152	(struct qedf_dbg_ctx *)filp->private_data;
143	153
144	154	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "debug mask=0x%x\n", qedf_debug);
145		- cnt = sprintf(buffer, "debug mask = 0x%x\n", qedf_debug);
	155	+ cnt = scnprintf(cbuf, sizeof(cbuf), "debug mask = 0x%x\n", qedf_debug);
146	156
147		- cnt = min_t(int, count, cnt - *ppos);
148		- *ppos += cnt;
149		- return cnt;
	157	+ return simple_read_from_buffer(buffer, count, ppos, cbuf, cnt);
150	158	}
151	159
152	160	static ssize_t
..	..	@@ -185,18 +193,17 @@
185	193	size_t count, loff_t *ppos)
186	194	{
187	195	int cnt;
	196	+ char cbuf[7];
188	197	struct qedf_dbg_ctx *qedf_dbg =
189	198	(struct qedf_dbg_ctx *)filp->private_data;
190	199	struct qedf_ctx *qedf = container_of(qedf_dbg,
191	200	struct qedf_ctx, dbg_ctx);
192	201
193	202	QEDF_INFO(qedf_dbg, QEDF_LOG_DEBUGFS, "entered\n");
194		- cnt = sprintf(buffer, "%s\n",
	203	+ cnt = scnprintf(cbuf, sizeof(cbuf), "%s\n",
195	204	qedf->stop_io_on_error ? "true" : "false");
196	205
197		- cnt = min_t(int, count, cnt - *ppos);
198		- *ppos += cnt;
199		- return cnt;
	206	+ return simple_read_from_buffer(buffer, count, ppos, cbuf, cnt);
200	207	}
201	208
202	209	static ssize_t