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author | Takashi Iwai <tiwai@suse.de> | 2016-07-25 15:39:53 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2016-07-26 10:38:03 +0200 |
commit | 0984d159c8ad6618c6ebd9f00bc3f374fa52bc35 (patch) | |
tree | 442d6bfa62d1f6baee7a251db6adf845ef2ea679 /sound/sound_firmware.c | |
parent | 4a6baf1b35891ebc877e91a803877d69b703e086 (diff) | |
download | linux-0984d159c8ad6618c6ebd9f00bc3f374fa52bc35.tar.bz2 |
sound: oss: Use kernel_read_file_from_path() for mod_firmware_load()
Since recently we have kernel_read_file_from_path(), and it's doing
the same thing as our own home-baked mod_firmware_load(). Let's use
the official API function and clean up the old code.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/sound_firmware.c')
-rw-r--r-- | sound/sound_firmware.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/sound/sound_firmware.c b/sound/sound_firmware.c deleted file mode 100644 index 026347643c81..000000000000 --- a/sound/sound_firmware.c +++ /dev/null @@ -1,77 +0,0 @@ -#include <linux/vmalloc.h> -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <asm/uaccess.h> -#include "oss/sound_firmware.h" - -static int do_mod_firmware_load(const char *fn, char **fp) -{ - struct file* filp; - long l; - char *dp; - - filp = filp_open(fn, 0, 0); - if (IS_ERR(filp)) - { - printk(KERN_INFO "Unable to load '%s'.\n", fn); - return 0; - } - l = i_size_read(file_inode(filp)); - if (l <= 0 || l > 131072) - { - printk(KERN_INFO "Invalid firmware '%s'\n", fn); - fput(filp); - return 0; - } - dp = vmalloc(l); - if (dp == NULL) - { - printk(KERN_INFO "Out of memory loading '%s'.\n", fn); - fput(filp); - return 0; - } - if (kernel_read(filp, 0, dp, l) != l) - { - printk(KERN_INFO "Failed to read '%s'.\n", fn); - vfree(dp); - fput(filp); - return 0; - } - fput(filp); - *fp = dp; - return (int) l; -} - -/** - * mod_firmware_load - load sound driver firmware - * @fn: filename - * @fp: return for the buffer. - * - * Load the firmware for a sound module (up to 128K) into a buffer. - * The buffer is returned in *fp. It is allocated with vmalloc so is - * virtually linear and not DMAable. The caller should free it with - * vfree when finished. - * - * The length of the buffer is returned on a successful load, the - * value zero on a failure. - * - * Caution: This API is not recommended. Firmware should be loaded via - * request_firmware. - */ - -int mod_firmware_load(const char *fn, char **fp) -{ - int r; - mm_segment_t fs = get_fs(); - - set_fs(get_ds()); - r = do_mod_firmware_load(fn, fp); - set_fs(fs); - return r; -} -EXPORT_SYMBOL(mod_firmware_load); - -MODULE_LICENSE("GPL"); |