cregit-Linux how code gets into the kernel

Release 4.17 sound/core/misc.c

Directory: sound/core
/*
 *  Misc and compatibility things
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <linux/init.h>
#include <linux/export.h>
#include <linux/moduleparam.h>
#include <linux/time.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <sound/core.h>

#ifdef CONFIG_SND_DEBUG

#ifdef CONFIG_SND_DEBUG_VERBOSE

#define DEFAULT_DEBUG_LEVEL	2
#else

#define DEFAULT_DEBUG_LEVEL	1
#endif


static int debug = DEFAULT_DEBUG_LEVEL;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0 = disable)");

#endif /* CONFIG_SND_DEBUG */


void release_and_free_resource(struct resource *res) { if (res) { release_resource(res); kfree(res); } }

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Takashi Iwai26100.00%2100.00%
Total26100.00%2100.00%

EXPORT_SYMBOL(release_and_free_resource); #ifdef CONFIG_SND_VERBOSE_PRINTK /* strip the leading path if the given path is absolute */
static const char *sanity_file_name(const char *path) { if (*path == '/') return strrchr(path, '/') + 1; else return path; }

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Takashi Iwai34100.00%1100.00%
Total34100.00%1100.00%

#endif #if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
void __snd_printk(unsigned int level, const char *path, int line, const char *format, ...) { va_list args; #ifdef CONFIG_SND_VERBOSE_PRINTK int kern_level; struct va_format vaf; char verbose_fmt[] = KERN_DEFAULT "ALSA %s:%d %pV"; bool level_found = false; #endif #ifdef CONFIG_SND_DEBUG if (debug < level) return; #endif va_start(args, format); #ifdef CONFIG_SND_VERBOSE_PRINTK vaf.fmt = format; vaf.va = &args; while ((kern_level = printk_get_level(vaf.fmt)) != 0) { const char *end_of_header = printk_skip_level(vaf.fmt); /* Ignore KERN_CONT. We print filename:line for each piece. */ if (kern_level >= '0' && kern_level <= '7') { memcpy(verbose_fmt, vaf.fmt, end_of_header - vaf.fmt); level_found = true; } vaf.fmt = end_of_header; } if (!level_found && level) memcpy(verbose_fmt, KERN_DEBUG, sizeof(KERN_DEBUG) - 1); printk(verbose_fmt, sanity_file_name(path), line, &vaf); #else vprintk(format, args); #endif va_end(args); }

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PersonTokensPropCommitsCommitProp
Takashi Iwai8943.41%337.50%
Jaroslav Kysela4722.93%337.50%
Petr Mladek4320.98%112.50%
Joe Perches2612.68%112.50%
Total205100.00%8100.00%

EXPORT_SYMBOL_GPL(__snd_printk); #endif #ifdef CONFIG_PCI #include <linux/pci.h> /** * snd_pci_quirk_lookup_id - look up a PCI SSID quirk list * @vendor: PCI SSV id * @device: PCI SSD id * @list: quirk list, terminated by a null entry * * Look through the given quirk list and finds a matching entry * with the same PCI SSID. When subdevice is 0, all subdevice * values may match. * * Returns the matched entry pointer, or NULL if nothing matched. */
const struct snd_pci_quirk * snd_pci_quirk_lookup_id(u16 vendor, u16 device, const struct snd_pci_quirk *list) { const struct snd_pci_quirk *q; for (q = list; q->subvendor; q++) { if (q->subvendor != vendor) continue; if (!q->subdevice || (device & q->subdevice_mask) == q->subdevice) return q; } return NULL; }

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PersonTokensPropCommitsCommitProp
Takashi Iwai75100.00%3100.00%
Total75100.00%3100.00%

EXPORT_SYMBOL(snd_pci_quirk_lookup_id); /** * snd_pci_quirk_lookup - look up a PCI SSID quirk list * @pci: pci_dev handle * @list: quirk list, terminated by a null entry * * Look through the given quirk list and finds a matching entry * with the same PCI SSID. When subdevice is 0, all subdevice * values may match. * * Returns the matched entry pointer, or NULL if nothing matched. */
const struct snd_pci_quirk * snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list) { if (!pci) return NULL; return snd_pci_quirk_lookup_id(pci->subsystem_vendor, pci->subsystem_device, list); }

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PersonTokensPropCommitsCommitProp
Takashi Iwai41100.00%2100.00%
Total41100.00%2100.00%

EXPORT_SYMBOL(snd_pci_quirk_lookup); #endif

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PersonTokensPropCommitsCommitProp
Takashi Iwai34369.29%1047.62%
Jaroslav Kysela7414.95%628.57%
Petr Mladek438.69%14.76%
Joe Perches265.25%14.76%
Paul Gortmaker61.21%29.52%
Tejun Heo30.61%14.76%
Total495100.00%21100.00%
Directory: sound/core
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