1 #include <linux/vmalloc.h>
2 #include <linux/module.h>
5 #include <linux/sched.h>
6 #include <asm/uaccess.h>
7 #include "oss/sound_firmware.h"
9 static int do_mod_firmware_load(const char *fn, char **fp)
16 filp = filp_open(fn, 0, 0);
19 printk(KERN_INFO "Unable to load '%s'.\n", fn);
22 l = i_size_read(filp->f_path.dentry->d_inode);
23 if (l <= 0 || l > 131072)
25 printk(KERN_INFO "Invalid firmware '%s'\n", fn);
26 filp_close(filp, NULL);
32 printk(KERN_INFO "Out of memory loading '%s'.\n", fn);
33 filp_close(filp, NULL);
37 if (vfs_read(filp, dp, l, &pos) != l)
39 printk(KERN_INFO "Failed to read '%s'.\n", fn);
41 filp_close(filp, NULL);
44 filp_close(filp, NULL);
50 * mod_firmware_load - load sound driver firmware
52 * @fp: return for the buffer.
54 * Load the firmware for a sound module (up to 128K) into a buffer.
55 * The buffer is returned in *fp. It is allocated with vmalloc so is
56 * virtually linear and not DMAable. The caller should free it with
57 * vfree when finished.
59 * The length of the buffer is returned on a successful load, the
60 * value zero on a failure.
62 * Caution: This API is not recommended. Firmware should be loaded via
66 int mod_firmware_load(const char *fn, char **fp)
69 mm_segment_t fs = get_fs();
72 r = do_mod_firmware_load(fn, fp);
76 EXPORT_SYMBOL(mod_firmware_load);
78 MODULE_LICENSE("GPL");