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Merge remote-tracking branch 'qcom_sm8250/lineage-20' into lineage-21

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Change-Id: I3159ae2c81329a81f9f6d4feba3fd1324a86b4f6
This commit is contained in:
Sebastiano Barezzi
2024-08-21 19:34:17 +02:00
parent 0b967da514 c0fa8756ad
commit b8aeeeba56
511 changed files with 6139 additions and 7571 deletions
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7
drivers/input/ff-core.c
View File

@@ -24,8 +24,10 @@
/* #define DEBUG */
#include <linux/input.h>
#include <linux/limits.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/overflow.h>
#include <linux/sched.h>
#include <linux/slab.h>
@@ -330,9 +332,8 @@ int input_ff_create(struct input_dev *dev, unsigned int max_effects)
return -EINVAL;
}
ff_dev_size = sizeof(struct ff_device) +
max_effects * sizeof(struct file *);
if (ff_dev_size < max_effects) /* overflow */
ff_dev_size = struct_size(ff, effect_owners, max_effects);
if (ff_dev_size == SIZE_MAX) /* overflow */
return -EINVAL;
ff = kzalloc(ff_dev_size, GFP_KERNEL);

105
drivers/input/input.c
View File

@@ -1345,19 +1345,19 @@ static int input_print_modalias_bits(char *buf, int size,
char name, unsigned long *bm,
unsigned int min_bit, unsigned int max_bit)
{
int len = 0, i;
int bit = min_bit;
int len = 0;
len += snprintf(buf, max(size, 0), "%c", name);
for (i = min_bit; i < max_bit; i++)
if (bm[BIT_WORD(i)] & BIT_MASK(i))
len += snprintf(buf + len, max(size - len, 0), "%X,", i);
for_each_set_bit_from(bit, bm, max_bit)
len += snprintf(buf + len, max(size - len, 0), "%X,", bit);
return len;
}
static int input_print_modalias(char *buf, int size, struct input_dev *id,
int add_cr)
static int input_print_modalias_parts(char *buf, int size, int full_len,
struct input_dev *id)
{
int len;
int len, klen, remainder, space;
len = snprintf(buf, max(size, 0),
"input:b%04Xv%04Xp%04Xe%04X-",
@@ -1366,8 +1366,49 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id,
len += input_print_modalias_bits(buf + len, size - len,
'e', id->evbit, 0, EV_MAX);
len += input_print_modalias_bits(buf + len, size - len,
/*
* Calculate the remaining space in the buffer making sure we
* have place for the terminating 0.
*/
space = max(size - (len + 1), 0);
klen = input_print_modalias_bits(buf + len, size - len,
'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX);
len += klen;
/*
* If we have more data than we can fit in the buffer, check
* if we can trim key data to fit in the rest. We will indicate
* that key data is incomplete by adding "+" sign at the end, like
* this: * "k1,2,3,45,+,".
*
* Note that we shortest key info (if present) is "k+," so we
* can only try to trim if key data is longer than that.
*/
if (full_len && size < full_len + 1 && klen > 3) {
remainder = full_len - len;
/*
* We can only trim if we have space for the remainder
* and also for at least "k+," which is 3 more characters.
*/
if (remainder <= space - 3) {
int i;
/*
* We are guaranteed to have 'k' in the buffer, so
* we need at least 3 additional bytes for storing
* "+," in addition to the remainder.
*/
for (i = size - 1 - remainder - 3; i >= 0; i--) {
if (buf[i] == 'k' || buf[i] == ',') {
strcpy(buf + i + 1, "+,");
len = i + 3; /* Not counting '\0' */
break;
}
}
}
}
len += input_print_modalias_bits(buf + len, size - len,
'r', id->relbit, 0, REL_MAX);
len += input_print_modalias_bits(buf + len, size - len,
@@ -1383,12 +1424,25 @@ static int input_print_modalias(char *buf, int size, struct input_dev *id,
len += input_print_modalias_bits(buf + len, size - len,
'w', id->swbit, 0, SW_MAX);
if (add_cr)
len += snprintf(buf + len, max(size - len, 0), "\n");
return len;
}
static int input_print_modalias(char *buf, int size, struct input_dev *id)
{
int full_len;
/*
* Printing is done in 2 passes: first one figures out total length
* needed for the modalias string, second one will try to trim key
* data in case when buffer is too small for the entire modalias.
* If the buffer is too small regardless, it will fill as much as it
* can (without trimming key data) into the buffer and leave it to
* the caller to figure out what to do with the result.
*/
full_len = input_print_modalias_parts(NULL, 0, 0, id);
return input_print_modalias_parts(buf, size, full_len, id);
}
static ssize_t input_dev_show_modalias(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -1396,7 +1450,9 @@ static ssize_t input_dev_show_modalias(struct device *dev,
struct input_dev *id = to_input_dev(dev);
ssize_t len;
len = input_print_modalias(buf, PAGE_SIZE, id, 1);
len = input_print_modalias(buf, PAGE_SIZE, id);
if (len < PAGE_SIZE - 2)
len += snprintf(buf + len, PAGE_SIZE - len, "\n");
return min_t(int, len, PAGE_SIZE);
}
@@ -1569,6 +1625,23 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
return 0;
}
/*
* This is a pretty gross hack. When building uevent data the driver core
* may try adding more environment variables to kobj_uevent_env without
* telling us, so we have no idea how much of the buffer we can use to
* avoid overflows/-ENOMEM elsewhere. To work around this let's artificially
* reduce amount of memory we will use for the modalias environment variable.
*
* The potential additions are:
*
* SEQNUM=18446744073709551615 - (%llu - 28 bytes)
* HOME=/ (6 bytes)
* PATH=/sbin:/bin:/usr/sbin:/usr/bin (34 bytes)
*
* 68 bytes total. Allow extra buffer - 96 bytes
*/
#define UEVENT_ENV_EXTRA_LEN 96
static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
struct input_dev *dev)
{
@@ -1578,9 +1651,11 @@ static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
return -ENOMEM;
len = input_print_modalias(&env->buf[env->buflen - 1],
sizeof(env->buf) - env->buflen,
dev, 0);
if (len >= (sizeof(env->buf) - env->buflen))
(int)sizeof(env->buf) - env->buflen -
UEVENT_ENV_EXTRA_LEN,
dev);
if (len >= ((int)sizeof(env->buf) - env->buflen -
UEVENT_ENV_EXTRA_LEN))
return -ENOMEM;
env->buflen += len;

4
drivers/input/misc/ims-pcu.c
View File

@@ -47,8 +47,8 @@ struct ims_pcu_backlight {
#define IMS_PCU_PART_NUMBER_LEN 15
#define IMS_PCU_SERIAL_NUMBER_LEN 8
#define IMS_PCU_DOM_LEN 8
#define IMS_PCU_FW_VERSION_LEN (9 + 1)
#define IMS_PCU_BL_VERSION_LEN (9 + 1)
#define IMS_PCU_FW_VERSION_LEN 16
#define IMS_PCU_BL_VERSION_LEN 16
#define IMS_PCU_BL_RESET_REASON_LEN (2 + 1)
#define IMS_PCU_PCU_B_DEVICE_ID 5

7
drivers/input/misc/pm8xxx-vibrator.c
View File

@@ -22,7 +22,8 @@
#define VIB_MAX_LEVEL_mV (3100)
#define VIB_MIN_LEVEL_mV (1200)
#define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV)
#define VIB_PER_STEP_mV (100)
#define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV + VIB_PER_STEP_mV)
#define MAX_FF_SPEED 0xff
@@ -126,10 +127,10 @@ static void pm8xxx_work_handler(struct work_struct *work)
vib->active = true;
vib->level = ((VIB_MAX_LEVELS * vib->speed) / MAX_FF_SPEED) +
VIB_MIN_LEVEL_mV;
vib->level /= 100;
vib->level /= VIB_PER_STEP_mV;
} else {
vib->active = false;
vib->level = VIB_MIN_LEVEL_mV / 100;
vib->level = VIB_MIN_LEVEL_mV / VIB_PER_STEP_mV;
}
pm8xxx_vib_set(vib, vib->active);