James Smart 9d8de441db scsi: lpfc: Correct null ndlp reference on routine exit
smatch correctly called out a logic error with accessing a pointer after
checking it for null:

 drivers/scsi/lpfc/lpfc_els.c:2043 lpfc_cmpl_els_plogi()
 error: we previously assumed 'ndlp' could be null (see line 1942)

Adjust the exit point to avoid the trace printf ndlp reference. A trace
entry was already generated when the ndlp was checked for null.

Link: https://lore.kernel.org/r/20201130181226.16675-1-james.smart@broadcom.com
Fixes: 4430f7fd09 ("scsi: lpfc: Rework locations of ndlp reference taking")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-12-01 00:19:14 -05:00
2020-10-25 15:14:11 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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