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authorAndi Kleen <andi@firstfloor.org>2013-10-23 15:07:53 +0200
committerMichal Marek <mmarek@suse.cz>2013-11-06 22:25:49 +0100
commitf3462aa952cfc8f4b095103cb9b3d306dd216558 (patch)
treeb510eefc6acf6a88e79e4aa586cdb8d48f25df6b /scripts/kallsyms.c
parenteea0e9cbb9e65cd553d302a4aefd4c7b70d9fd90 (diff)
downloadlinux-f3462aa952cfc8f4b095103cb9b3d306dd216558.tar.gz
Kbuild: Handle longer symbols in kallsyms.c
Also warn for too long symbols v2: Add missing newline. Use 255 max (Joe Perches) Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts/kallsyms.c')
-rw-r--r--scripts/kallsyms.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 487ac6f37ca2..967522ab4f39 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -27,7 +27,7 @@
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
#endif
-#define KSYM_NAME_LEN 128
+#define KSYM_NAME_LEN 255
struct sym_entry {
unsigned long long addr;
@@ -111,6 +111,12 @@ static int read_symbol(FILE *in, struct sym_entry *s)
fprintf(stderr, "Read error or end of file.\n");
return -1;
}
+ if (strlen(str) > KSYM_NAME_LEN) {
+ fprintf(stderr, "Symbol %s too long for kallsyms (%lu vs %d).\n"
+ "Please increase KSYM_NAME_LEN both in kernel and kallsyms.c\n",
+ str, strlen(str), KSYM_NAME_LEN);
+ return -1;
+ }
sym = str;
/* skip prefix char */