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-rw-r--r--drivers/acpi/sleep/proc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 1538355c266b..fce78fbf5f64 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -178,6 +178,9 @@ static int get_date_field(char **p, u32 * value)
* Try to find delimeter, only to insert null. The end of the
* string won't have one, but is still valid.
*/
+ if (*p == NULL)
+ return result;
+
next = strpbrk(*p, "- :");
if (next)
*next++ = '\0';
@@ -190,6 +193,8 @@ static int get_date_field(char **p, u32 * value)
if (next)
*p = next;
+ else
+ *p = NULL;
return result;
}