Hello, Miquel Raynal <[email protected]> wrote on Sun, 18 Nov 2018 21:13:47 +0100:
> Hello, > > Miquel Raynal <[email protected]> wrote on Sun, 18 Nov 2018 > 21:11:47 +0100: > > > A Coverity robot reported an integer handling issue > > (OVERFLOW_BEFORE_WIDEN) in the potentially overflowing expression: > > > > (mtd_div_by_ws(mtd->size, mtd) - mtd_div_by_ws(offs, mtd)) * > > mtd_oobavail(mtd, ops) > > > > While such overflow will certainly never happen due to the numbers > > handled, it is cleaner to fix this operation anyway. > > > > The problem is that all the maths include 32-bit quantities, while the > > result is stored in an explicit 64-bit value. > > > > As maxooblen will just be compared with a size_t, let's change the > > type of the variable to a size_t. This will not fix anything but will > > clarify a bit the situation. Then, do an explicit cast to fix Coverity > > warning. > > > > Addresses-Coverity-ID: 184180 ("Integer handling issues") > > Signed-off-by: Miquel Raynal <[email protected]> > > --- > > I forgot to add the link to the corresponding Travis-CI job: > https://travis-ci.org/miquelraynal/u-boot/builds/456679982 Gentle ping on this series (patch 1 & 2). They do apply cleanly on current master. Tom, shall I expect you to take it or is it Jagan's mission? Thanks, Miquèl _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
