On 07/20/2017 02:37 PM, J. Bruce Fields wrote: > On Wed, Jul 19, 2017 at 04:53:51PM -0400, Steve Dickson wrote: >> network.c:1234:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >> network.c:1382:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >> network.c:1477:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >> network.c:1508:6: warning: this statement may fall through [-Wimplicit-fallthrough=] >> network.c:1574:6: warning: this statement may fall through [-Wimplicit-fallthrough=] > > Looks like after this an out-of-range port number will be treated as an > unspecified port rather than returning an error. That sounds wrong. > > I didn't check the others. > > All of these "break" statements added without any explanation are making > me nervous. Yeah you are right... Boy there are some subtle things going there... Thanks for the review and cycles! steved. > > --b. > >> Signed-off-by: Steve Dickson <steved@xxxxxxxxxx> >> --- >> utils/mount/network.c | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/utils/mount/network.c b/utils/mount/network.c >> index 281e935..19f14e5 100644 >> --- a/utils/mount/network.c >> +++ b/utils/mount/network.c >> @@ -1235,6 +1235,7 @@ nfs_nfs_program(struct mount_options *options, unsigned long *program) >> *program = tmp; >> return 1; >> } >> + break; >> case PO_BAD_VALUE: >> nfs_error(_("%s: invalid value for 'nfsprog=' option"), >> progname); >> @@ -1383,6 +1384,7 @@ nfs_nfs_port(struct mount_options *options, unsigned long *port) >> *port = tmp; >> return 1; >> } >> + break; >> case PO_BAD_VALUE: >> nfs_error(_("%s: invalid value for 'port=' option"), >> progname); >> @@ -1478,6 +1480,7 @@ nfs_mount_program(struct mount_options *options, unsigned long *program) >> *program = tmp; >> return 1; >> } >> + break; >> case PO_BAD_VALUE: >> nfs_error(_("%s: invalid value for 'mountprog=' option"), >> progname); >> @@ -1509,6 +1512,7 @@ nfs_mount_version(struct mount_options *options, unsigned long *version) >> *version = tmp; >> return 1; >> } >> + break; >> case PO_BAD_VALUE: >> nfs_error(_("%s: invalid value for 'mountvers=' option"), >> progname); >> @@ -1575,6 +1579,7 @@ nfs_mount_port(struct mount_options *options, unsigned long *port) >> *port = tmp; >> return 1; >> } >> + break; >> case PO_BAD_VALUE: >> nfs_error(_("%s: invalid value for 'mountport=' option"), >> progname); >> -- >> 2.13.3 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html