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authorLinus Torvalds <torvalds@linux-foundation.org>2018-07-18 11:13:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-07-18 11:13:25 -0700
commit04a1320651757c78277bea48bec97f0d43e6b17b (patch)
treef4bac092938916bcdbf4e0aa30211de9d8899f3a /fs/btrfs/ioctl.c
parent47f7dc4b845a9fe60c53b84b8c88cf14efd0de7f (diff)
parent665d4953cde6d9e75c62a07ec8f4f8fd7d396ade (diff)
Merge tag 'for-4.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba: "Three regression fixes. They're few-liners and fixing some corner cases missed in the origial patches" * tag 'for-4.18-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: scrub: Don't use inode page cache in scrub_handle_errored_block() btrfs: fix use-after-free of cmp workspace pages btrfs: restore uuid_mutex in btrfs_open_devices
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 43ecbe620dea..b077544b5232 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3327,11 +3327,13 @@ static void btrfs_cmp_data_free(struct cmp_pages *cmp)
if (pg) {
unlock_page(pg);
put_page(pg);
+ cmp->src_pages[i] = NULL;
}
pg = cmp->dst_pages[i];
if (pg) {
unlock_page(pg);
put_page(pg);
+ cmp->dst_pages[i] = NULL;
}
}
}