powerpc/modules: Use WARN_ON() in stub_for_addr()

Use WARN_ON(), while running out of stubs in stub_for_addr()
and abort loading of the module instead of BUG_ON().

Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index 0b0f896..759104b 100644 (file)
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -429,7 +429,8 @@ static unsigned long stub_for_addr(const Elf64_Shdr *sechdrs,
        /* Find this stub, or if that fails, the next avail. entry */
        stubs = (void *)sechdrs[me->arch.stubs_section].sh_addr;
        for (i = 0; stub_func_addr(stubs[i].funcdata); i++) {
-               BUG_ON(i >= num_stubs);
+               if (WARN_ON(i >= num_stubs))
+                       return 0;
 
                if (stub_func_addr(stubs[i].funcdata) == func_addr(addr))
                        return (unsigned long)&stubs[i];