diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/xtensa/platforms/iss/simdisk.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index 07b642c1916a..f50caaa1c249 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -108,13 +108,13 @@ static void simdisk_submit_bio(struct bio *bio) sector_t sector = bio->bi_iter.bi_sector; bio_for_each_segment(bvec, bio, iter) { - char *buffer = kmap_atomic(bvec.bv_page) + bvec.bv_offset; + char *buffer = bvec_kmap_local(&bvec); unsigned len = bvec.bv_len >> SECTOR_SHIFT; simdisk_transfer(dev, sector, len, buffer, bio_data_dir(bio) == WRITE); sector += len; - kunmap_atomic(buffer); + kunmap_local(buffer); } bio_endio(bio); @@ -208,15 +208,21 @@ static int simdisk_detach(struct simdisk *dev) static ssize_t proc_read_simdisk(struct file *file, char __user *buf, size_t size, loff_t *ppos) { - struct simdisk *dev = PDE_DATA(file_inode(file)); + struct simdisk *dev = pde_data(file_inode(file)); const char *s = dev->filename; if (s) { - ssize_t n = simple_read_from_buffer(buf, size, ppos, - s, strlen(s)); - if (n < 0) - return n; - buf += n; - size -= n; + ssize_t len = strlen(s); + char *temp = kmalloc(len + 2, GFP_KERNEL); + + if (!temp) + return -ENOMEM; + + len = scnprintf(temp, len + 2, "%s\n", s); + len = simple_read_from_buffer(buf, size, ppos, + temp, len); + + kfree(temp); + return len; } return simple_read_from_buffer(buf, size, ppos, "\n", 1); } @@ -225,7 +231,7 @@ static ssize_t proc_write_simdisk(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { char *tmp = memdup_user_nul(buf, count); - struct simdisk *dev = PDE_DATA(file_inode(file)); + struct simdisk *dev = pde_data(file_inode(file)); int err; if (IS_ERR(tmp)) @@ -284,7 +290,7 @@ static int __init simdisk_setup(struct simdisk *dev, int which, return 0; out_cleanup_disk: - blk_cleanup_disk(dev->gd); + put_disk(dev->gd); out: return err; } @@ -338,7 +344,7 @@ static void simdisk_teardown(struct simdisk *dev, int which, simdisk_detach(dev); if (dev->gd) { del_gendisk(dev->gd); - blk_cleanup_disk(dev->gd); + put_disk(dev->gd); } remove_proc_entry(tmp, procdir); } |