Re: [PATCH] fault-inject: Declare the second argument of setup_fault_attr() const

From: Bart Van Assche
Date: Wed Jul 28 2021 - 19:05:36 EST


On 7/8/21 11:34 AM, Bart Van Assche wrote:
This patch makes it possible to pass a const char * argument to
setup_fault_attr() without having to cast away constness.

Cc: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
include/linux/fault-inject.h | 2 +-
lib/fault-inject.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index e525f6957c49..afc649f0102b 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -42,7 +42,7 @@ struct fault_attr {
}
#define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER
-int setup_fault_attr(struct fault_attr *attr, char *str);
+int setup_fault_attr(struct fault_attr *attr, const char *str);
bool should_fail(struct fault_attr *attr, ssize_t size);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index ce12621b4275..45520151b32d 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -15,7 +15,7 @@
* setup_fault_attr() is a helper function for various __setup handlers, so it
* returns 0 on error, because that is what __setup handlers do.
*/
-int setup_fault_attr(struct fault_attr *attr, char *str)
+int setup_fault_attr(struct fault_attr *attr, const char *str)
{
unsigned long probability;
unsigned long interval;

Hi Akinobu,

Did I send this patch to the right person?

Thanks,

Bart.