On Mon, Jun 08, 2020 at 11:48:51AM -0400, Jim Quinlan wrote: > On Sun, Jun 7, 2020 at 12:500f9bfe0fb8840b268af1bbcc51f1cd440514e PM > Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > > On Fri, Jun 05, 2020 at 05:26:48PM -0400, Jim Quinlan wrote: ... > > > + *map_size = (num_ranges + 1) * sizeof(**map); > > > + r = kzalloc(*map_size, GFP_KERNEL); > > > > kcalloc() > Since I have to calculate the size anyway I thought kzalloc was fine. > I'll switch. The point is to check multiplication overflow. See overflow.h for helpers. > > > + if (!r) > > > + return -ENOMEM; -- With Best Regards, Andy Shevchenko _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
