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In qla2x00_alloc_fcport(), fcport is assigned to NULL in the error
handling code on line 4880:
fcport = NULL;
Then fcport is used on lines 4883-4886:
INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
INIT_LIST_HEAD(&fcport->gnl_entry);
INIT_LIST_HEAD(&fcport->list);
Thus, possible null-pointer dereferences may occur.
To fix these bugs, qla2x00_alloc_fcport() directly returns NULL
in the error handling code.
These bugs are found by a static analysis tool STCheck written by us.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
e82f04ec6b