Re: [PATCH v2] acpi: Use kstrtoul() instead of strtoul()/simple_strtoul()

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On 08/02/2015 12:16 AM, Pavel Machek wrote:
On Mon 2015-07-27 17:32:22, Guenter Roeck wrote:
simple_strtoul() is deprecated; replace with kstrtoul() and kstrtouint().
Return an error if the value passed to the sysfs attribute is not
a number.

Drop the definition of strtoul() since it is no longer needed.

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
v2: An additional use of strtoul() was introduced with commit 4fa4616e.
     Replace it as well.

  drivers/acpi/acpica/evgpeinit.c | 5 +++--
  drivers/acpi/sysfs.c            | 8 ++++++--
  include/acpi/platform/aclinux.h | 1 -
  3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index ea4c0d3fca2d..aa1e8c1f2d4a 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -326,6 +326,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
  	u32 gpe_number;
  	char name[ACPI_NAME_SIZE + 1];
  	u8 type;
+	int err;

  	ACPI_FUNCTION_TRACE(ev_match_gpe_method);

@@ -377,8 +378,8 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,

  	/* 4) The last two characters of the name are the hex GPE Number */

-	gpe_number = strtoul(&name[2], NULL, 16);
-	if (gpe_number == ACPI_UINT32_MAX) {
+	er = kstrtouint(&name[2], 16, &gpe_number);
+	if (err < 0 || gpe_number == ACPI_UINT32_MAX) {

Are you sure you compile-tested this?


I was, but maybe not ;-). Since the patch was rejected it does not really matter.

Guenter

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