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ACPI: move from strlcpy() with unused retval to strscpy()

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Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Wolfram Sang 2022-08-18 22:59:55 +02:00 committed by Rafael J. Wysocki
parent 1c23f9e627
commit b75d2cd06b
3 changed files with 9 additions and 9 deletions
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4
drivers/acpi/bus.c
View File

@ -802,7 +802,7 @@ static bool acpi_of_modalias(struct acpi_device *adev,
str = obj->string.pointer;
chr = strchr(str, ',');
strlcpy(modalias, chr ? chr + 1 : str, len);
strscpy(modalias, chr ? chr + 1 : str, len);
return true;
}
@ -822,7 +822,7 @@ void acpi_set_modalias(struct acpi_device *adev, const char *default_id,
char *modalias, size_t len)
{
if (!acpi_of_modalias(adev, modalias, len))
strlcpy(modalias, default_id, len);
strscpy(modalias, default_id, len);
}
EXPORT_SYMBOL_GPL(acpi_set_modalias);

8
drivers/acpi/processor_idle.c
View File

@ -787,7 +787,7 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr)
state = &drv->states[count];
snprintf(state->name, CPUIDLE_NAME_LEN, "C%d", i);
strlcpy(state->desc, cx->desc, CPUIDLE_DESC_LEN);
strscpy(state->desc, cx->desc, CPUIDLE_DESC_LEN);
state->exit_latency = cx->latency;
state->target_residency = cx->latency * latency_factor;
state->enter = acpi_idle_enter;
@ -956,7 +956,7 @@ static int acpi_processor_evaluate_lpi(acpi_handle handle,
obj = pkg_elem + 9;
if (obj->type == ACPI_TYPE_STRING)
strlcpy(lpi_state->desc, obj->string.pointer,
strscpy(lpi_state->desc, obj->string.pointer,
ACPI_CX_DESC_LEN);
lpi_state->index = state_idx;
@ -1022,7 +1022,7 @@ static bool combine_lpi_states(struct acpi_lpi_state *local,
result->arch_flags = parent->arch_flags;
result->index = parent->index;
strlcpy(result->desc, local->desc, ACPI_CX_DESC_LEN);
strscpy(result->desc, local->desc, ACPI_CX_DESC_LEN);
strlcat(result->desc, "+", ACPI_CX_DESC_LEN);
strlcat(result->desc, parent->desc, ACPI_CX_DESC_LEN);
return true;
@ -1196,7 +1196,7 @@ static int acpi_processor_setup_lpi_states(struct acpi_processor *pr)
state = &drv->states[i];
snprintf(state->name, CPUIDLE_NAME_LEN, "LPI-%d", i);
strlcpy(state->desc, lpi->desc, CPUIDLE_DESC_LEN);
strscpy(state->desc, lpi->desc, CPUIDLE_DESC_LEN);
state->exit_latency = lpi->wake_latency;
state->target_residency = lpi->min_residency;
if (lpi->arch_flags)

6
drivers/acpi/utils.c
View File

@ -878,7 +878,7 @@ bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
struct acpi_dev_match_info match = {};
struct device *dev;
strlcpy(match.hid[0].id, hid, sizeof(match.hid[0].id));
strscpy(match.hid[0].id, hid, sizeof(match.hid[0].id));
match.uid = uid;
match.hrv = hrv;
@ -911,7 +911,7 @@ acpi_dev_get_next_match_dev(struct acpi_device *adev, const char *hid, const cha
struct acpi_dev_match_info match = {};
struct device *dev;
strlcpy(match.hid[0].id, hid, sizeof(match.hid[0].id));
strscpy(match.hid[0].id, hid, sizeof(match.hid[0].id));
match.uid = uid;
match.hrv = hrv;
@ -961,7 +961,7 @@ EXPORT_SYMBOL(acpi_video_backlight_string);
static int __init acpi_backlight(char *str)
{
strlcpy(acpi_video_backlight_string, str,
strscpy(acpi_video_backlight_string, str,
sizeof(acpi_video_backlight_string));
return 1;
}