Chaitanya Kulkarni d86481e924 nvmet: use min of device_path and disk len
In function __assign_req_name() instead of using the DEVICE_NAME_LEN in
strncpy() use min of DISK_NAME_LEN and strlen(req->ns->device_path).

This is needed to turn off the following warnings:-

In file included from drivers/nvme/target/core.c:14:
In function ‘__assign_req_name’,
    inlined from ‘trace_event_raw_event_nvmet_req_init’ at drivers/nvme/target/./trace.h:58:1:
drivers/nvme/target/trace.h:52:3: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation]
   strncpy(name, req->ns->device_path, DISK_NAME_LEN);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function ‘__assign_req_name’,
    inlined from ‘perf_trace_nvmet_req_complete’ at drivers/nvme/target/./trace.h💯1:
drivers/nvme/target/trace.h:52:3: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation]
   strncpy(name, req->ns->device_path, DISK_NAME_LEN);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function ‘__assign_req_name’,
    inlined from ‘perf_trace_nvmet_req_init’ at drivers/nvme/target/./trace.h:58:1:
drivers/nvme/target/trace.h:52:3: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation]
   strncpy(name, req->ns->device_path, DISK_NAME_LEN);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function ‘__assign_req_name’,
    inlined from ‘trace_event_raw_event_nvmet_req_complete’ at drivers/nvme/target/./trace.h💯1:
drivers/nvme/target/trace.h:52:3: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation]
   strncpy(name, req->ns->device_path, DISK_NAME_LEN);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2021-02-10 16:38:05 +01:00
2020-12-16 16:38:41 -08:00
2021-01-10 13:24:55 -08:00
2021-01-08 15:06:02 -08:00
2020-10-17 11:18:18 -07:00
2021-01-15 23:55:16 +01:00
2021-02-04 07:45:32 -07:00
2021-01-24 16:47:14 -08:00

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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