Commit f3462aa9 authored by Andi Kleen's avatar Andi Kleen Committed by Michal Marek
Browse files

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: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent eea0e9cb

scripts/kallsyms.c

+7 −1
Original line number Diff line number Diff line
@@ -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 */