[PATCH] zorro: Fix reading of proc/bus/zorro/* in small chunks

From: Geert Uytterhoeven
Date: Wed Jun 09 2010 - 05:31:38 EST

proc_bus_zorro_read() didn't take into account the current file position,
hence it always read from the start of the ConfigDev.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index aaf8abb..108096f 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -73,7 +73,7 @@ proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t *
cd.cd_BoardAddr = (void *)zorro_resource_start(z);
cd.cd_BoardSize = zorro_resource_len(z);

- if (copy_to_user(buf, &cd, nbytes))
+ if (copy_to_user(buf, (void *)&cd + pos, nbytes))
return -EFAULT;
*ppos += nbytes;




Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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