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Commit 9813cae6 authored by Qiuyang Sun's avatar Qiuyang Sun Committed by Jaegeuk Kim
Browse files

f2fs: release locks before return in f2fs_ioc_gc_range() 



Currently, we will leave the kernel with locks still held when the gc_range
is invalid. This patch fixes the bug.

Signed-off-by: default avatarQiuyang Sun <sunqiuyang@huawei.com>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent cee6482c

fs/f2fs/file.c

+4 −2
Original line number Diff line number Diff line
@@ -2058,8 +2058,10 @@ static int f2fs_ioc_gc_range(struct file *filp, unsigned long arg) 
		return ret;



	end = range.start + range.len;

	if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi))

		return -EINVAL;

	if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi)) {

		ret = -EINVAL;

		goto out;

	}

do_more:

	if (!range.sync) {

		if (!mutex_trylock(&sbi->gc_mutex)) {