Re: cleanup bio_kmalloc v2

From: Christoph Hellwig
Date: Thu Mar 31 2022 - 12:40:35 EST


This should fix it:

diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 930eb530fa622..fed99bb3df3be 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -72,6 +72,13 @@ static int copy_bio_to_actor(struct bio *bio,
return copied_bytes;
}

+static void squashfs_bio_free(struct bio *bio)
+{
+ bio_free_pages(bio);
+ bio_uninit(bio);
+ kfree(bio);
+}
+
static int squashfs_bio_read(struct super_block *sb, u64 index, int length,
struct bio **biop, int *block_offset)
{
@@ -118,9 +125,7 @@ static int squashfs_bio_read(struct super_block *sb, u64 index, int length,
return 0;

out_free_bio:
- bio_free_pages(bio);
- bio_uninit(bio);
- kfree(bio);
+ squashfs_bio_free(bio);
return error;
}

@@ -183,8 +188,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length,
data = bvec_virt(bvec);
length |= data[0] << 8;
}
- bio_free_pages(bio);
- bio_put(bio);
+ squashfs_bio_free(bio);

compressed = SQUASHFS_COMPRESSED(length);
length = SQUASHFS_COMPRESSED_SIZE(length);
@@ -217,8 +221,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length,
}

out_free_bio:
- bio_free_pages(bio);
- bio_put(bio);
+ squashfs_bio_free(bio);
out:
if (res < 0) {
ERROR("Failed to read block 0x%llx: %d\n", index, res);