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

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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>
This commit is contained in:
Kamalesh Babulal 2017-10-10 20:17:32 +05:30 committed by Michael Ellerman
parent 990f19ae6f
commit 1c0437af9f
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kernel/module_64.c
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@ -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];