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Date: Fri, 2 Jul 2021 13:34:25 -0400 From: "Theodore Ts'o" <tytso@....edu> To: Ext4 Developers List <linux-ext4@...r.kernel.org> Cc: "Theodore Ts'o" <tytso@....edu>, Leah Rumancik <leah.rumancik@...il.com> Subject: [PATCH] ext4: fix flags validity checking for EXT4_IOC_CHECKPOINT Use the correct bitmask when checking for any not-yet-supported flags. Fixes: 351a0a3fbc35 ("ext4: add ioctl EXT4_IOC_CHECKPOINT") Signed-off-by: Theodore Ts'o <tytso@....edu> Cc: Leah Rumancik <leah.rumancik@...il.com> --- fs/ext4/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 5730aeca563c..6eed6170aded 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -823,7 +823,7 @@ static int ext4_ioctl_checkpoint(struct file *filp, unsigned long arg) if (!EXT4_SB(sb)->s_journal) return -ENODEV; - if (flags & ~JBD2_JOURNAL_FLUSH_VALID) + if (flags & ~EXT4_IOC_CHECKPOINT_FLAG_VALID) return -EINVAL; q = bdev_get_queue(EXT4_SB(sb)->s_journal->j_dev); -- 2.31.0
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