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firmware: simplify dev_*() print messages for generic helpers 

Simplify a few of the *generic* shared dev_warn() and dev_dbg()
print messages for three reasons:

0) Historically firmware_class code was added to help
   get device driver firmware binaries but these days
   request_firmware*() helpers are being repurposed for
   general *system data* needed by the kernel.

1) This will also help generalize shared code as much as possible
   later in the future in consideration for a new extensible firmware
   API which will enable to separate usermode helper code out as much
   as possible.

2) Kees Cook pointed out the the prints already have the device
   associated as dev_*() helpers are used, that should help identify
   the user and case in which the helpers are used. That should provide
   enough context and simplifies the messages further.

v4: generalize debug/warn messages even further as suggested by
    Kees Cook.

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Ming Lei <ming.lei@canonical.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Vojtěch Pavlík <vojtech@suse.cz>
Cc: Kyle McMartin <kyle@kernel.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Luis R. Rodriguez 2015-04-29 16:30:43 -07:00 committed by Mimi Zohar
parent 4ad87a3d74
commit ed04630b34
1 changed files with 4 additions and 4 deletions
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8
drivers/base/firmware_class.c
View File

@ -353,15 +353,15 @@ static int fw_get_filesystem_firmware(struct device *device,
rc = fw_read_file_contents(file, buf);
fput(file);
if (rc)
dev_warn(device, "firmware, attempted to load %s, but failed with error %d\n",
path, rc);
dev_warn(device, "loading %s failed with error %d\n",
path, rc);
else
break;
}
__putname(path);
if (!rc) {
dev_dbg(device, "firmware: direct-loading firmware %s\n",
dev_dbg(device, "direct-loading %s\n",
buf->fw_id);
mutex_lock(&fw_lock);
set_bit(FW_STATUS_DONE, &buf->status);
@ -1051,7 +1051,7 @@ _request_firmware_prepare(struct firmware **firmware_p, const char *name,
}
if (fw_get_builtin_firmware(firmware, name)) {
dev_dbg(device, "firmware: using built-in firmware %s\n", name);
dev_dbg(device, "using built-in %s\n", name);
return 0; /* assigned */
}