diff options
| author | Takashi Iwai <tiwai@suse.de> | 2010-04-16 15:20:06 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-04-16 15:20:06 +0200 |
| commit | cf0dbba515415bb19b11f9323d5f7bebd7f24fd6 (patch) | |
| tree | 375bbc1ade1a92acd6493d224dd701fd7f209014 /drivers/char/mem.c | |
| parent | 1cff399ecd9125d8e6a634a1957be1aeb3195a12 (diff) | |
| parent | 0340c7dccd80d8706c636e030a6ebbddbddca690 (diff) | |
Merge remote branch 'alsa/devel' into topic/misc
Diffstat (limited to 'drivers/char/mem.c')
| -rw-r--r-- | drivers/char/mem.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 1f3215ac085b..f54dab8acdcd 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -225,6 +225,7 @@ int __weak phys_mem_access_prot_allowed(struct file *file, * outside of main memory. * */ +#ifdef pgprot_noncached static int uncached_access(struct file *file, unsigned long addr) { #if defined(CONFIG_IA64) @@ -251,6 +252,7 @@ static int uncached_access(struct file *file, unsigned long addr) return addr >= __pa(high_memory); #endif } +#endif static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot) @@ -710,11 +712,6 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) switch (orig) { case SEEK_CUR: offset += file->f_pos; - if ((unsigned long long)offset < - (unsigned long long)file->f_pos) { - ret = -EOVERFLOW; - break; - } case SEEK_SET: /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ if ((unsigned long long)offset >= ~0xFFFULL) { @@ -908,6 +905,9 @@ static int __init chr_dev_init(void) printk("unable to get major %d for memory devs\n", MEM_MAJOR); mem_class = class_create(THIS_MODULE, "mem"); + if (IS_ERR(mem_class)) + return PTR_ERR(mem_class); + mem_class->devnode = mem_devnode; for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) { if (!devlist[minor].name) |