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([2405:204:20:6275:2654:2317:92c7:7b80]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e1e86652edsm1159221a91.36.2024.10.04.03.09.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Oct 2024 03:09:04 -0700 (PDT) From: SurajSonawane2415 To: axboe@kernel.dk Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, SurajSonawane2415 Subject: [PATCH] block: Fix uninitialized symbol 'bio' in blk_rq_prep_clone Date: Fri, 4 Oct 2024 15:38:42 +0530 Message-Id: <20241004100842.9052-1-surajsonawane0215@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Fix the uninitialized symbol 'bio' in the function blk_rq_prep_clone to resolve the following error: block/blk-mq.c:3199 blk_rq_prep_clone() error: uninitialized symbol 'bio'. Initialize 'bio' to NULL to prevent undefined behavior from uninitialized access and safe cleanup in case of failure. Signed-off-by: SurajSonawane2415 --- block/blk-mq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index 4b2c8e940..b2087bdd9 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -3156,7 +3156,7 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src, int (*bio_ctr)(struct bio *, struct bio *, void *), void *data) { - struct bio *bio, *bio_src; + struct bio *bio = NULL, *bio_src; if (!bs) bs = &fs_bio_set;