tracing/uprobes: Revert "Support mix of ftrace and perf"

[jlayton/linux.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index db19e3e2aa4bd000d96af8d3380af60148a01b10..ba9ed453c4ed497d62537b019b153fbf47171084 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2568,11 +2568,11 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
        bool first = 1;
        size_t left = *lenp;
        unsigned long bitmap_len = table->maxlen;
-       unsigned long *bitmap = (unsigned long *) table->data;
+       unsigned long *bitmap = *(unsigned long **) table->data;
        unsigned long *tmp_bitmap = NULL;
        char tr_a[] = { '-', ',', '\n' }, tr_b[] = { ',', '\n', 0 }, c;
 
-       if (!bitmap_len || !left || (*ppos && !write)) {
+       if (!bitmap || !bitmap_len || !left || (*ppos && !write)) {
                *lenp = 0;
                return 0;
        }