kernel: ltq-atm: add patch fixing compilation warning for ltq_atm

[openwrt/openwrt.git] / package / kernel / lantiq / ltq-atm / patches / 100-ltq_atm-fix-compillation-warning.patch

diff --git a/package/kernel/lantiq/ltq-atm/patches/100-ltq_atm-fix-compillation-warning.patch b/package/kernel/lantiq/ltq-atm/patches/100-ltq_atm-fix-compillation-warning.patch
new file mode 100644 (file)
index 0000000..c74cfcb
--- /dev/null
+++ b/package/kernel/lantiq/ltq-atm/patches/100-ltq_atm-fix-compillation-warning.patch
@@ -0,0 +1,12 @@
+--- a/ltq_atm.c
++++ b/ltq_atm.c
+@@ -338,7 +338,8 @@ static int ppe_ioctl(struct atm_dev *dev
+               break;
+ 
+       case PPE_ATM_MIB_VCC:   /*  VCC related MIB */
+-              copy_from_user(&mib_vcc, arg, sizeof(mib_vcc));
++              if (copy_from_user(&mib_vcc, arg, sizeof(mib_vcc)))
++                      return -EFAULT;
+               conn = find_vpivci(mib_vcc.vpi, mib_vcc.vci);
+               if (conn >= 0) {
+                       mib_vcc.mib_vcc.aal5VccCrcErrors     = g_atm_priv_data.conn[conn].aal5_vcc_crc_err;