Commit fa7f28939634c2ea36817a0c3dbd8d84972c1488

Authored by akinobu.mita@gmail.com
Committed by Linus Torvalds
1 parent a6a26a3e65

zorro: use memory_read_from_buffer

zorro: use memory_read_from_buffer

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Showing 1 changed file with 2 additions and 8 deletions Side-by-side Diff

drivers/zorro/zorro-sysfs.c
... ... @@ -15,6 +15,7 @@
15 15 #include <linux/zorro.h>
16 16 #include <linux/stat.h>
17 17 #include <linux/string.h>
  18 +#include <linux/fs.h>
18 19  
19 20 #include "zorro.h"
20 21  
21 22  
... ... @@ -56,13 +57,7 @@
56 57 struct zorro_dev *z = to_zorro_dev(container_of(kobj, struct device,
57 58 kobj));
58 59 struct ConfigDev cd;
59   - unsigned int size = sizeof(cd);
60 60  
61   - if (off > size)
62   - return 0;
63   - if (off+count > size)
64   - count = size-off;
65   -
66 61 /* Construct a ConfigDev */
67 62 memset(&cd, 0, sizeof(cd));
68 63 cd.cd_Rom = z->rom;
... ... @@ -71,8 +66,7 @@
71 66 cd.cd_BoardAddr = (void *)zorro_resource_start(z);
72 67 cd.cd_BoardSize = zorro_resource_len(z);
73 68  
74   - memcpy(buf, (void *)&cd+off, count);
75   - return count;
  69 + return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd));
76 70 }
77 71  
78 72 static struct bin_attribute zorro_config_attr = {