generic_file_direct_write(): make use of iov_iter_revert()

[karo-tx-linux.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8cca4c7bb21f04f4a5d136dbeed69ef9870ca97c..8c8714fcb53c35a390becf14f2fa8e1bfc20142c 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2133,6 +2133,8 @@ static int do_proc_douintvec_conv(bool *negp, unsigned long *lvalp,
        if (write) {
                if (*negp)
                        return -EINVAL;
+               if (*lvalp > UINT_MAX)
+                       return -EINVAL;
                *valp = *lvalp;
        } else {
                unsigned int val = *valp;