diff options
Diffstat (limited to 'drivers/scsi/st.c')
| -rw-r--r-- | drivers/scsi/st.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 5b7388f1c83..1871b8ae83a 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -17,7 +17,7 @@ Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support */ -static const char *verstr = "20100829"; +static const char *verstr = "20101219"; #include <linux/module.h> @@ -3729,9 +3729,11 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm b_size = PAGE_SIZE << order; } else { for (b_size = PAGE_SIZE, order = 0; - order < ST_MAX_ORDER && b_size < new_size; + order < ST_MAX_ORDER && + max_segs * (PAGE_SIZE << order) < new_size; order++, b_size *= 2) ; /* empty */ + STbuffer->reserved_page_order = order; } if (max_segs * (PAGE_SIZE << order) < new_size) { if (order == ST_MAX_ORDER) @@ -3758,7 +3760,6 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm segs++; } STbuffer->b_data = page_address(STbuffer->reserved_pages[0]); - STbuffer->reserved_page_order = order; return 1; } |