[PATCH net] octeontx2-af: Fix an off by one in rvu_dbg_qsize_write()

[Dan Carpenter]

This code does not allocate enough memory for the NUL terminator so it
ends up putting it one character beyond the end of the buffer.

Fixes: 8756828a8148 ("octeontx2-af: Add NPA aura and pool contexts to debugfs")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c 
b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index 48a84c65804c..d5f3ad660588 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -385,7 +385,7 @@ static ssize_t rvu_dbg_qsize_write(struct file *filp,
        u16 pcifunc;
        int ret, lf;
 
-       cmd_buf = memdup_user(buffer, count);
+       cmd_buf = memdup_user(buffer, count + 1);
        if (IS_ERR(cmd_buf))
                return -ENOMEM;
 
-- 
2.30.0