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Commit 3a45b87ac36f (modutils: support finit_module syscall) introduced macro finit_module. But it is not defined for uClibc. The compilation for busybox fails for MIPS with: With uClibc, we get following build errors: modutils/lib.a(modutils.o): In function `bb_init_module': modutils.c:(.text.bb_init_module+0x94): undefined reference to `finit_module' modutils.c:(.text.bb_init_module+0xa0): undefined reference to `finit_module' We can just use syscall() without any need for the uClibc wrappers. Newer versions of uClibc-ng (>1.0.20) will remove the module syscall wrappers. Found via Buildroot autobuilders: http://autobuild.buildroot.net/results/556/55655daef23788fb3967f801ec8b79e9bed7122b/build-end.log function old new delta bb_delete_module 26 32 +6 bb_init_module 90 95 +5 delete_module 37 - -37 init_module 53 - -53 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 2/0 up/down: 11/-90) Total: -79 bytes Reported-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com> Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>