Messages in this thread | | | Date | Thu, 01 Dec 2011 09:40:45 +0000 | From | Dave Haywood <> | Subject | Build warnings - v3.2-rc3-187-g11d814a |
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Hi,
Noticed the build warnings below from v3.2-rc3-187-g11d814a.
$ gcc --version gcc (Gentoo Hardened 4.6.2 p1.0, pie-0.4.5) 4.6.2
$ uname -a Linux s1 3.2.0-rc3 #97 SMP Fri Nov 25 10:17:10 GMT 2011 i686 Pentium III (Coppermine) GenuineIntel GNU/Linux
... CC fs/binfmt_misc.o In file included from ~/git/linux/arch/x86/include/asm/uaccess.h:573:0, from include/linux/uaccess.h:5, from include/linux/highmem.h:7, from include/linux/pagemap.h:10, from fs/binfmt_misc.c:26: ~/git/linux/arch/x86/include/asm/uaccess_32.h: In function 'parse_command.part.2': ~/git/linux/arch/x86/include/asm/uaccess_32.h:211:26: warning: call to 'copy_from_user_overflow' declared with attribute warning: copy_from_user() buffer size is not provably correct [enabled by default] ... CC drivers/md/dm-table.o drivers/md/dm-table.c: In function 'dm_table_set_integrity': drivers/md/dm-table.c:1285:3: warning: statement with no effect [-Wunused-value] ... CC drivers/usb/host/ohci-hcd.o In file included from drivers/usb/host/ohci-hcd.c:101:0: drivers/usb/host/ohci-dbg.c: In function 'fill_registers_buffer': drivers/usb/host/ohci-dbg.c:642:2: warning: the comparison will always evaluate as 'true' for the address of 'next' will never be NULL [-Waddress] drivers/usb/host/ohci-dbg.c:661:3: warning: the comparison will always evaluate as 'true' for the address of 'next' will never be NULL [-Waddress] ... HOSTCC arch/x86/boot/compressed/relocs arch/x86/boot/compressed/relocs.c: In function 'print_absolute_symbols': arch/x86/boot/compressed/relocs.c:405:14: warning: variable 'sh_symtab' set but not used [-Wunused-but-set-variable] arch/x86/boot/compressed/relocs.c: In function 'emit_relocs': arch/x86/boot/compressed/relocs.c:605:9: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result [-Wunused-result] arch/x86/boot/compressed/relocs.c:612:10: warning: ignoring return value of 'fwrite', declared with attribute warn_unused_result [-Wunused-result]
Regards,
Dave.
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