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loadpin: stop using bdevname

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Use the %pg format specifier to save on stack consuption and code size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220512062014.1826835-1-hch@lst.de
This commit is contained in:
Christoph Hellwig 2022-05-12 08:20:14 +02:00 committed by Kees Cook
parent a5f4d9df1f
commit ed5edd5a70
1 changed files with 1 additions and 4 deletions
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5
security/loadpin/loadpin.c
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@ -78,11 +78,8 @@ static void check_pinning_enforcement(struct super_block *mnt_sb)
* device, allow sysctl to change modes for testing. * device, allow sysctl to change modes for testing.
*/ */
if (mnt_sb->s_bdev) { if (mnt_sb->s_bdev) {
char bdev[BDEVNAME_SIZE];
ro = bdev_read_only(mnt_sb->s_bdev); ro = bdev_read_only(mnt_sb->s_bdev);
bdevname(mnt_sb->s_bdev, bdev); pr_info("%pg (%u:%u): %s\n", mnt_sb->s_bdev,
pr_info("%s (%u:%u): %s\n", bdev,
MAJOR(mnt_sb->s_bdev->bd_dev), MAJOR(mnt_sb->s_bdev->bd_dev),
MINOR(mnt_sb->s_bdev->bd_dev), MINOR(mnt_sb->s_bdev->bd_dev),
ro ? "read-only" : "writable"); ro ? "read-only" : "writable");