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-rw-r--r--drivers/scsi/st.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index ff44b3c2cff2..a1d6986261a3 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3719,7 +3719,7 @@ static struct st_buffer *new_tape_buffer(int need_dma, int max_sg)
3719 3719
3720static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dma) 3720static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dma)
3721{ 3721{
3722 int segs, nbr, max_segs, b_size, order, got; 3722 int segs, max_segs, b_size, order, got;
3723 gfp_t priority; 3723 gfp_t priority;
3724 3724
3725 if (new_size <= STbuffer->buffer_size) 3725 if (new_size <= STbuffer->buffer_size)
@@ -3729,9 +3729,6 @@ static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dm
3729 normalize_buffer(STbuffer); /* Avoid extra segment */ 3729 normalize_buffer(STbuffer); /* Avoid extra segment */
3730 3730
3731 max_segs = STbuffer->use_sg; 3731 max_segs = STbuffer->use_sg;
3732 nbr = max_segs - STbuffer->frp_segs;
3733 if (nbr <= 0)
3734 return 0;
3735 3732
3736 priority = GFP_KERNEL | __GFP_NOWARN; 3733 priority = GFP_KERNEL | __GFP_NOWARN;
3737 if (need_dma) 3734 if (need_dma)