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[9610] bts: fix buffer size in debugfs
authorTaekki Kim <taekki.kim@samsung.com>
Fri, 7 Sep 2018 12:23:12 +0000 (21:23 +0900)
committerCosmin Tanislav <demonsingur@gmail.com>
Mon, 22 Apr 2024 17:23:03 +0000 (20:23 +0300)
This patch fixes buffer size when copy data from user space
to the buffer in debugfs.

Change-Id: I0ca5b04649df44f8f85b4f95b04c019e8388f683
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>
drivers/bts/bts-exynos9610.c patch | blob | blame | history

diff --git a/drivers/bts/bts-exynos9610.c b/drivers/bts/bts-exynos9610.c
index ef223ce1d9943a08ded2cc7089e5a3302796e83a..324144c9b9e2c73098012d80b782c6f6627f5519 100644 (file)
--- a/drivers/bts/bts-exynos9610.c
+++ b/drivers/bts/bts-exynos9610.c
@@ -1551,7 +1551,7 @@ static ssize_t exynos_dmc_timeout_write(struct file *file, const char __user *us
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -1636,7 +1636,7 @@ static ssize_t exynos_mo_write(struct file *file, const char __user *user_buf,
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -1724,7 +1724,7 @@ static ssize_t exynos_max_mo_write(struct file *file, const char __user *user_bu
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -1812,7 +1812,7 @@ static ssize_t exynos_full_mo_write(struct file *file, const char __user *user_b
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -1898,7 +1898,7 @@ static ssize_t exynos_prio_write(struct file *file, const char __user *user_buf,
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -1964,7 +1964,7 @@ static ssize_t exynos_scen_write(struct file *file, const char __user *user_buf,
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2039,7 +2039,7 @@ static ssize_t exynos_qmax_write(struct file *file, const char __user *user_buf,
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2119,7 +2119,7 @@ static ssize_t exynos_timeout_write(struct file *file, const char __user *user_b
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2206,7 +2206,7 @@ static ssize_t exynos_timeout_en_write(struct file *file, const char __user *use
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2293,7 +2293,7 @@ static ssize_t exynos_write_flush_write(struct file *file, const char __user *us
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2384,7 +2384,7 @@ static ssize_t exynos_vc_timer_th_write(struct file *file, const char __user *us
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2480,7 +2480,7 @@ static ssize_t exynos_cutoff_con_write(struct file *file, const char __user *use
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2565,7 +2565,7 @@ static ssize_t exynos_brb_cutoff_write(struct file *file, const char __user *use
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2650,7 +2650,7 @@ static ssize_t exynos_rdbuf_cutoff_write(struct file *file, const char __user *u
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2735,7 +2735,7 @@ static ssize_t exynos_rreq_thrt_con_write(struct file *file, const char __user *
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2820,7 +2820,7 @@ static ssize_t exynos_allow_mo_region_write(struct file *file, const char __user
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2911,7 +2911,7 @@ static ssize_t exynos_pf_qos_timer_write(struct file *file, const char __user *u
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;
@@ -2981,7 +2981,7 @@ static ssize_t exynos_bts_scen_test_write(struct file *file, const char __user *
        if (buf == NULL)
                return -ENOMEM;
 
-       len = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+       len = simple_write_to_buffer(buf, count, ppos, user_buf, count);
        if (len < 0) {
                kfree(buf);
                return len;