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-rw-r--r--drivers/net/wireless/b43/debugfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c
index 734e70e1a06..ef0075d9f9c 100644
--- a/drivers/net/wireless/b43/debugfs.c
+++ b/drivers/net/wireless/b43/debugfs.c
@@ -128,7 +128,7 @@ static ssize_t shm_read_file(struct b43_wldev *dev,
__le16 *le16buf = (__le16 *)buf;
for (i = 0; i < 0x1000; i++) {
- if (bufsize <= 0)
+ if (bufsize < sizeof(tmp))
break;
tmp = b43_shm_read16(dev, B43_SHM_SHARED, 2 * i);
le16buf[i] = cpu_to_le16(tmp);