From a5c43dae7ae38c2a6b3e9a819bcf45f010bf6a4a Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 8 May 2007 00:28:47 -0700 Subject: Fix race between cat /proc/slab_allocators and rmmod Same story as with cat /proc/*/wchan race vs rmmod race, only /proc/slab_allocators want more info than just symbol name. Signed-off-by: Alexey Dobriyan Acked-by: Rusty Russell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/kallsyms.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'kernel/kallsyms.c') diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 4e2ec191a127..c36581b40c04 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -286,6 +286,25 @@ int lookup_symbol_name(unsigned long addr, char *symname) return lookup_module_symbol_name(addr, symname); } +int lookup_symbol_attrs(unsigned long addr, unsigned long *size, + unsigned long *offset, char *modname, char *name) +{ + name[0] = '\0'; + name[KSYM_NAME_LEN] = '\0'; + + if (is_ksym_addr(addr)) { + unsigned long pos; + + pos = get_symbol_pos(addr, size, offset); + /* Grab name */ + kallsyms_expand_symbol(get_symbol_offset(pos), name); + modname[0] = '\0'; + return 0; + } + /* see if it's in a module */ + return lookup_module_symbol_attrs(addr, size, offset, modname, name); +} + /* Look up a kernel symbol and return it in a text buffer. */ int sprint_symbol(char *buffer, unsigned long address) { -- cgit v1.2.3