gpio: GPIO_GET_LINEHANDLE_IOCTL: Validate line offset

[cascardo/linux.git] / drivers / acpi / acpi_dbg.c

diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
index 1f41284..dee8692 100644 (file)
--- a/drivers/acpi/acpi_dbg.c
+++ b/drivers/acpi/acpi_dbg.c
@@ -602,7 +602,7 @@ static int acpi_aml_read_user(char __user *buf, int len)
        crc->tail = (crc->tail + n) & (ACPI_AML_BUF_SIZE - 1);
        ret = n;
 out:
-       acpi_aml_unlock_fifo(ACPI_AML_OUT_USER, !ret);
+       acpi_aml_unlock_fifo(ACPI_AML_OUT_USER, ret >= 0);
        return ret;
 }
 
@@ -672,7 +672,7 @@ static int acpi_aml_write_user(const char __user *buf, int len)
        crc->head = (crc->head + n) & (ACPI_AML_BUF_SIZE - 1);
        ret = n;
 out:
-       acpi_aml_unlock_fifo(ACPI_AML_IN_USER, !ret);
+       acpi_aml_unlock_fifo(ACPI_AML_IN_USER, ret >= 0);
        return n;
 }