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| author | Dan Williams <dan.j.williams@intel.com> | 2017-04-12 21:59:01 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2017-04-12 21:59:01 -0700 |
| commit | bfca9acf1a5df0ff98fbf47e363adb48612bb7ec (patch) | |
| tree | a50287c88fdc60a73912d205d7bce41b7af53827 /drivers/net/ethernet/brocade/bna/bnad_debugfs.c | |
| parent | 92a3fa075d3d2716b9c662814540f1d660cbf2f5 (diff) | |
| parent | 11e63f6d920d6f2dfd3cd421e939a4aec9a58dcd (diff) | |
| download | linux-bfca9acf1a5df0ff98fbf47e363adb48612bb7ec.tar.bz2 | |
Merge branch 'for-4.11/libnvdimm' into for-4.12/dax
Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/bnad_debugfs.c | 2 |
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; |