[PATCH] block/bio-integrity: don't free 'buf' if bio_integrity_add_page() failed

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commit e7bf90e5afe3 ("block/bio-integrity: fix a memory leak bug") add a
kree() for 'buf' if bio_integrity_add_page() return '0'. However, the
object will be freed in bio_integrity_free() since 'bio->bi_opf' and
'bio->bi_integrity' was set previousy in bio_integrity_alloc().

Fixes: commit e7bf90e5afe3 ("block/bio-integrity: fix a memory leak bug")
Signed-off-by: yu kuai <yukuai3@xxxxxxxxxx>
---
 block/bio-integrity.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index bf62c25cde8f..ae07dd78e951 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -278,7 +278,6 @@ bool bio_integrity_prep(struct bio *bio)
 
 		if (ret == 0) {
 			printk(KERN_ERR "could not attach integrity payload\n");
-			kfree(buf);
 			status = BLK_STS_RESOURCE;
 			goto err_end_io;
 		}
-- 
2.25.4




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