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-rw-r--r--kernel/kallsyms.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index ba351dfa109b..48f36fd7e10b 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -201,6 +201,16 @@ static int compare_symbol_name(const char *name, char *namebuf)
return ret;
}
+static unsigned int get_symbol_seq(int index)
+{
+ unsigned int i, seq = 0;
+
+ for (i = 0; i < 3; i++)
+ seq = (seq << 8) | kallsyms_seqs_of_names[3 * index + i];
+
+ return seq;
+}
+
static int kallsyms_lookup_names(const char *name,
unsigned int *start,
unsigned int *end)
@@ -215,7 +225,7 @@ static int kallsyms_lookup_names(const char *name,
while (low <= high) {
mid = low + (high - low) / 2;
- seq = kallsyms_seqs_of_names[mid];
+ seq = get_symbol_seq(mid);
off = get_symbol_offset(seq);
kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf));
ret = compare_symbol_name(name, namebuf);
@@ -232,7 +242,7 @@ static int kallsyms_lookup_names(const char *name,
low = mid;
while (low) {
- seq = kallsyms_seqs_of_names[low - 1];
+ seq = get_symbol_seq(low - 1);
off = get_symbol_offset(seq);
kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf));
if (compare_symbol_name(name, namebuf))
@@ -244,7 +254,7 @@ static int kallsyms_lookup_names(const char *name,
if (end) {
high = mid;
while (high < kallsyms_num_syms - 1) {
- seq = kallsyms_seqs_of_names[high + 1];
+ seq = get_symbol_seq(high + 1);
off = get_symbol_offset(seq);
kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf));
if (compare_symbol_name(name, namebuf))
@@ -269,7 +279,7 @@ unsigned long kallsyms_lookup_name(const char *name)
ret = kallsyms_lookup_names(name, &i, NULL);
if (!ret)
- return kallsyms_sym_address(kallsyms_seqs_of_names[i]);
+ return kallsyms_sym_address(get_symbol_seq(i));
return module_kallsyms_lookup_name(name);
}