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swiotlb: Don't DoS us with 'swiotlb buffer is full' (v2)
[linux-2.6-microblaze.git]
/
lib
/
swiotlb.c
diff --git
a/lib/swiotlb.c
b/lib/swiotlb.c
index
e4399fa
..
4634ac9
100644
(file)
--- a/
lib/swiotlb.c
+++ b/
lib/swiotlb.c
@@
-505,7
+505,8
@@
phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
not_found:
spin_unlock_irqrestore(&io_tlb_lock, flags);
not_found:
spin_unlock_irqrestore(&io_tlb_lock, flags);
- dev_warn(hwdev, "swiotlb buffer is full\n");
+ if (printk_ratelimit())
+ dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
return SWIOTLB_MAP_ERROR;
found:
spin_unlock_irqrestore(&io_tlb_lock, flags);
return SWIOTLB_MAP_ERROR;
found:
spin_unlock_irqrestore(&io_tlb_lock, flags);