Hi Janusz, On 2023-10-03 at 11:10:46 +0200, Janusz Krzysztofik wrote: > Function fcntl(..., F_GETFL, ...) that returns file status flags may also > return a negative error code. Handle that error instead of blindly using > the returned value as flags. > > Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@xxxxxxxxxxxxxxx> Reviewed-by: Kamil Konieczny <kamil.konieczny@xxxxxxxxxxxxxxx> > --- > lib/igt_kmod.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/lib/igt_kmod.c b/lib/igt_kmod.c > index d98e6c5f9e..05ff178b27 100644 > --- a/lib/igt_kmod.c > +++ b/lib/igt_kmod.c > @@ -783,8 +783,8 @@ static void __igt_kunit(struct igt_ktest *tst, const char *opts) > > igt_skip_on_f(tst->kmsg < 0, "Could not open /dev/kmsg\n"); > > - flags = fcntl(tst->kmsg, F_GETFL, 0) & ~O_NONBLOCK; > - igt_skip_on_f(fcntl(tst->kmsg, F_SETFL, flags) == -1, > + igt_skip_on((flags = fcntl(tst->kmsg, F_GETFL, 0), flags < 0)); > + igt_skip_on_f(fcntl(tst->kmsg, F_SETFL, flags & ~O_NONBLOCK) == -1, > "Could not set /dev/kmsg to blocking mode\n"); > > igt_skip_on(lseek(tst->kmsg, 0, SEEK_END) < 0); > -- > 2.42.0 >
