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-rw-r--r--drivers/scsi/st.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 12a36acae0b0..1871b8ae83ae 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3729,7 +3729,8 @@ 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;