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scsi: megaraid: Fix mega_cmd_done() CMDID_INT_CMDS

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When cmdid == CMDID_INT_CMDS, the 'cmds' pointer is NULL but is
dereferenced below.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 0f2bb84d2a68 ("[SCSI] megaraid: simplify internal command handling")
Signed-off-by: Danila Chernetsov <listdansp@mail.ru>
Link: https://lore.kernel.org/r/20230317175109.18585-1-listdansp@mail.ru
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Danila Chernetsov 2023-03-17 17:51:09 +00:00 committed by Martin K. Petersen
parent 62d15dba0a
commit 75cb113cd4
1 changed files with 1 additions and 0 deletions
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drivers/scsi/megaraid.c
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@ -1441,6 +1441,7 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status)
*/
if (cmdid == CMDID_INT_CMDS) {
scb = &adapter->int_scb;
cmd = scb->cmd;
list_del_init(&scb->list);
scb->state = SCB_FREE;