* [PATCH] loadpin: stop using bdevname
@ 2022-05-12 6:20 Christoph Hellwig
2022-05-12 16:32 ` Kees Cook
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Hellwig @ 2022-05-12 6:20 UTC (permalink / raw)
To: keescook; +Cc: jmorris, serge, linux-security-module
Use the %pg format specifier to save on stack consuption and code size.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
security/loadpin/loadpin.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/security/loadpin/loadpin.c b/security/loadpin/loadpin.c
index b12f7d986b1e3..ad4e6756c0386 100644
--- a/security/loadpin/loadpin.c
+++ b/security/loadpin/loadpin.c
@@ -78,11 +78,8 @@ static void check_pinning_enforcement(struct super_block *mnt_sb)
* device, allow sysctl to change modes for testing.
*/
if (mnt_sb->s_bdev) {
- char bdev[BDEVNAME_SIZE];
-
ro = bdev_read_only(mnt_sb->s_bdev);
- bdevname(mnt_sb->s_bdev, bdev);
- pr_info("%s (%u:%u): %s\n", bdev,
+ pr_info("%pg (%u:%u): %s\n", mnt_sb->s_bdev,
MAJOR(mnt_sb->s_bdev->bd_dev),
MINOR(mnt_sb->s_bdev->bd_dev),
ro ? "read-only" : "writable");
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] loadpin: stop using bdevname
2022-05-12 6:20 [PATCH] loadpin: stop using bdevname Christoph Hellwig
@ 2022-05-12 16:32 ` Kees Cook
0 siblings, 0 replies; 2+ messages in thread
From: Kees Cook @ 2022-05-12 16:32 UTC (permalink / raw)
To: Christoph Hellwig; +Cc: Kees Cook, linux-security-module, serge, jmorris
On Thu, 12 May 2022 08:20:14 +0200, Christoph Hellwig wrote:
> Use the %pg format specifier to save on stack consuption and code size.
Applied to for-next/hardening, thanks!
[1/1] loadpin: stop using bdevname
https://git.kernel.org/kees/c/8c296a9ad2c8
--
Kees Cook
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-05-12 6:20 [PATCH] loadpin: stop using bdevname Christoph Hellwig
2022-05-12 16:32 ` Kees Cook
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