On Thu, 2011-05-12 at 16:50 -0700, Stephen Boyd wrote: > Enabling DEBUG_STRICT_USER_COPY_CHECKS causes the following > warning: > > In file included from arch/x86/include/asm/uaccess.h:573, > from include/net/checksum.h:25, > from include/linux/skbuff.h:28, > from drivers/net/wireless/iwlwifi/iwl-agn-rs.c:28: > In function 'copy_from_user', > inlined from 'rs_sta_dbgfs_scale_table_write' at > drivers/net/wireless/iwlwifi/iwl-agn-rs.c:3099: > arch/x86/include/asm/uaccess_64.h:65: > warning: call to 'copy_from_user_overflow' declared with > attribute warning: copy_from_user() buffer size is not provably > correct > > presumably due to buf_size being signed causing GCC to fail to > see that buf_size can't become negative. > > Cc: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> > Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> > --- > drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > Thank you Wey -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
