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Subject[PATCH v2] initramfs: Use kstrtobool() instead of strtobool()
Date
strtobool() is the same as kstrtobool().
However, the latter is more used within the kernel.

In order to remove strtobool() and slightly simplify kstrtox.h, switch to
the other function name.

While at it, include the corresponding header file (<linux/kstrtox.h>)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
This patch was already sent as a part of a serie ([1]) that axed all usages
of strtobool().
Most of the patches have been merged in -next.

I synch'ed with latest -next and re-send the remaining ones as individual
patches.

This patch slightly changes the existing code with an additional error
handling.

Note that the first version was sent to no-one, only mailing lists,
because "get_maintainer.pl --nogit-fallback" returns an empty list.

Changes in v2:
- Re-write to code to be more consistent with other kstrtobool() usage
in __setup() functions

[1]: https://lore.kernel.org/all/cover.1667336095.git.christophe.jaillet@wanadoo.fr/
---
init/initramfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/init/initramfs.c b/init/initramfs.c
index 62321883fe61..f6c112e30bd4 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -11,6 +11,7 @@
#include <linux/syscalls.h>
#include <linux/utime.h>
#include <linux/file.h>
+#include <linux/kstrtox.h>
#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/namei.h>
@@ -571,8 +572,7 @@ __setup("keepinitrd", keepinitrd_setup);
static bool __initdata initramfs_async = true;
static int __init initramfs_async_setup(char *str)
{
- strtobool(str, &initramfs_async);
- return 1;
+ return kstrtobool(str, &initramfs_async) == 0;
}
__setup("initramfs_async=", initramfs_async_setup);

--
2.34.1
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