diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2019-11-05 08:04:21 -0800 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2019-11-05 08:04:21 -0800 |
| commit | d847b96c753f977edad32fe7dac844cbac2b8607 (patch) | |
| tree | d2264711c33e5cfecd9ecf176636889bffcf9b2b /drivers/gpu | |
| parent | 95001d5135bf824010611012e146c37e5c448958 (diff) | |
| parent | 13d43fca0c03920648028fd560fb9e575c8f878d (diff) | |
Merge "drm/msm/hdmi-staging: Fix Buffer Overflow"
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c index 5a9e56b58158..d755ba959c20 100644 --- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c +++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c @@ -78,7 +78,12 @@ static ssize_t _sde_hdmi_debugfs_dump_info_read(struct file *file, if (!buf) return -ENOMEM; - len += snprintf(buf, SZ_4K, "name = %s\n", display->name); + len += snprintf(buf, SZ_1K, "name = %s\n", display->name); + + if (len > count) { + kfree(buf); + return -ENOMEM; + } if (copy_to_user(buff, buf, len)) { kfree(buf); |