From: Dan Carpenter <dan.carpenter@oracle.com> To: QLogic-Storage-Upstream@qlogic.com, David Somayajulu <david.somayajulu@qlogic.com> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] iscsi: qla4xxx: fix double free in probe Date: Tue, 03 Dec 2019 09:45:09 +0000 [thread overview] Message-ID: <20191203094421.hw7ex7qr3j2rbsmx@kili.mountain> (raw) On this error path we call qla4xxx_mem_free() and then the caller also calls qla4xxx_free_adapter() which calls qla4xxx_mem_free(). It leads to a couple double frees: drivers/scsi/qla4xxx/ql4_os.c:8856 qla4xxx_probe_adapter() warn: 'ha->chap_dma_pool' double freed drivers/scsi/qla4xxx/ql4_os.c:8856 qla4xxx_probe_adapter() warn: 'ha->fw_ddb_dma_pool' double freed Fixes: afaf5a2d341d ("[SCSI] Initial Commit of qla4xxx") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/scsi/qla4xxx/ql4_os.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 8c674eca09f1..2323432a0edb 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -4275,7 +4275,6 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) return QLA_SUCCESS; mem_alloc_error_exit: - qla4xxx_mem_free(ha); return QLA_ERROR; } -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com> To: QLogic-Storage-Upstream@qlogic.com, David Somayajulu <david.somayajulu@qlogic.com> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] iscsi: qla4xxx: fix double free in probe Date: Tue, 3 Dec 2019 12:45:09 +0300 [thread overview] Message-ID: <20191203094421.hw7ex7qr3j2rbsmx@kili.mountain> (raw) On this error path we call qla4xxx_mem_free() and then the caller also calls qla4xxx_free_adapter() which calls qla4xxx_mem_free(). It leads to a couple double frees: drivers/scsi/qla4xxx/ql4_os.c:8856 qla4xxx_probe_adapter() warn: 'ha->chap_dma_pool' double freed drivers/scsi/qla4xxx/ql4_os.c:8856 qla4xxx_probe_adapter() warn: 'ha->fw_ddb_dma_pool' double freed Fixes: afaf5a2d341d ("[SCSI] Initial Commit of qla4xxx") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/scsi/qla4xxx/ql4_os.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 8c674eca09f1..2323432a0edb 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -4275,7 +4275,6 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) return QLA_SUCCESS; mem_alloc_error_exit: - qla4xxx_mem_free(ha); return QLA_ERROR; } -- 2.11.0
next reply other threads:[~2019-12-03 9:45 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-03 9:45 Dan Carpenter [this message] 2019-12-03 9:45 ` [PATCH] iscsi: qla4xxx: fix double free in probe Dan Carpenter 2019-12-04 15:08 ` Manish Rangankar 2019-12-04 15:08 ` Manish Rangankar 2019-12-10 0:02 ` Martin K. Petersen 2019-12-10 0:02 ` Martin K. Petersen
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20191203094421.hw7ex7qr3j2rbsmx@kili.mountain \ --to=dan.carpenter@oracle.com \ --cc=QLogic-Storage-Upstream@qlogic.com \ --cc=david.somayajulu@qlogic.com \ --cc=jejb@linux.ibm.com \ --cc=kernel-janitors@vger.kernel.org \ --cc=linux-scsi@vger.kernel.org \ --cc=martin.petersen@oracle.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.