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path: root/drivers/devfreq/devfreq_spdm_debugfs.c
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Diffstat (limited to 'drivers/devfreq/devfreq_spdm_debugfs.c')
-rw-r--r--drivers/devfreq/devfreq_spdm_debugfs.c62
1 files changed, 49 insertions, 13 deletions
diff --git a/drivers/devfreq/devfreq_spdm_debugfs.c b/drivers/devfreq/devfreq_spdm_debugfs.c
index 94e94f3bbc1c..1d6a581341a5 100644
--- a/drivers/devfreq/devfreq_spdm_debugfs.c
+++ b/drivers/devfreq/devfreq_spdm_debugfs.c
@@ -34,7 +34,7 @@ static ssize_t enable_write(struct file *file, const char __user *data,
int i;
int next_idx;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
@@ -42,6 +42,8 @@ static ssize_t enable_write(struct file *file, const char __user *data,
size = -EINVAL;
}
+ buf[size] = '\0';
+
if (sscanf(buf, "%u\n", &i) != 1) {
size = -EINVAL;
goto err;
@@ -105,7 +107,7 @@ static ssize_t pl_write(struct file *file, const char __user *data,
int ext_status = 0;
int i;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
@@ -113,6 +115,8 @@ static ssize_t pl_write(struct file *file, const char __user *data,
goto out;
}
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.pl_freqs[0],
&spdm_data->config_data.pl_freqs[1]) != 2) {
size = -EINVAL;
@@ -164,7 +168,7 @@ static ssize_t rejrate_low_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
@@ -172,6 +176,8 @@ static ssize_t rejrate_low_write(struct file *file, const char __user *data,
goto out;
}
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.reject_rate[0],
&spdm_data->config_data.reject_rate[1]) != 2) {
size = -EINVAL;
@@ -224,13 +230,16 @@ static ssize_t rejrate_med_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.reject_rate[2],
&spdm_data->config_data.reject_rate[3]) != 2) {
size = -EINVAL;
@@ -282,13 +291,16 @@ static ssize_t rejrate_high_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.reject_rate[4],
&spdm_data->config_data.reject_rate[5]) != 2) {
size = -EINVAL;
@@ -340,13 +352,16 @@ static ssize_t resptime_low_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.response_time_us[0],
&spdm_data->config_data.response_time_us[1]) != 2) {
size = -EINVAL;
@@ -398,13 +413,16 @@ static ssize_t resptime_med_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.response_time_us[2],
&spdm_data->config_data.response_time_us[3]) != 2) {
size = -EINVAL;
@@ -456,13 +474,16 @@ static ssize_t resptime_high_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n", &spdm_data->config_data.response_time_us[4],
&spdm_data->config_data.response_time_us[5]) != 2) {
size = -EINVAL;
@@ -515,13 +536,16 @@ static ssize_t cciresptime_low_write(struct file *file,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n",
&spdm_data->config_data.cci_response_time_us[0],
&spdm_data->config_data.cci_response_time_us[1]) != 2) {
@@ -575,13 +599,16 @@ static ssize_t cciresptime_med_write(struct file *file,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n",
&spdm_data->config_data.cci_response_time_us[2],
&spdm_data->config_data.cci_response_time_us[3]) != 2) {
@@ -635,13 +662,16 @@ static ssize_t cciresptime_high_write(struct file *file,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u\n",
&spdm_data->config_data.cci_response_time_us[4],
&spdm_data->config_data.cci_response_time_us[5]) != 2){
@@ -694,13 +724,16 @@ static ssize_t cci_max_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u\n", &spdm_data->config_data.max_cci_freq) != 1) {
size = -EINVAL;
goto out;
@@ -748,13 +781,16 @@ static ssize_t vote_cfg_write(struct file *file, const char __user *data,
struct spdm_args desc = { { 0 } };
int ext_status = 0;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, data, size)) {
size = -EINVAL;
goto out;
}
+
+ buf[size] = '\0';
+
if (sscanf(buf, "%u %u %u %u\n", &spdm_data->config_data.upstep,
&spdm_data->config_data.downstep,
&spdm_data->config_data.max_vote,
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-24 01:01:18 +0000