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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-27 09:13:04 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-27 09:13:04 +0200
commit57c0eabbd57e1a0872122525f6eeefe1f6529c33 (patch)
tree788d036bfbc9c92fb7663588033f50d2d6f5c828 /drivers/net/ethernet/brocade/bna/bnad_debugfs.c
parent392910cf3f8a0161d3da45d02ea17f2910d9193b (diff)
parentc02ed2e75ef4c74e41e421acb4ef1494671585e8 (diff)
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Merge 4.11-rc4 into char-misc-next
We want the char-misc fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad_debugfs.c')
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad_debugfs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
index 05c1c1dd7751..cebfe3bd086e 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c
@@ -325,7 +325,7 @@ bnad_debugfs_write_regrd(struct file *file, const char __user *buf,
return PTR_ERR(kern_buf);
rc = sscanf(kern_buf, "%x:%x", &addr, &len);
- if (rc < 2) {
+ if (rc < 2 || len > UINT_MAX >> 2) {
netdev_warn(bnad->netdev, "failed to read user buffer\n");
kfree(kern_buf);
return -EINVAL;