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kernel: N_BADCLASS: fix macro to actually work - class e support

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Backport upstream patch:

Commit 65cab850f0ee ("net: Allow class-e address assignment via ifconfig
ioctl") modified the IN_BADCLASS macro a bit, but unfortunatly one too
many '(' characters were added to the line, making any code that used
it, not build properly.

Also, the macro now compares an unsigned with a signed value, which
isn't ok, so fix that up by making both types match properly.

Reported-by: Christopher Ferris <cferris@google.com>
Fixes: 65cab850f0ee ("net: Allow class-e address assignment via ifconfig ioctl")
Cc: Dave Taht <dave.taht@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
This commit is contained in:
Kevin Darbyshire-Bryant 2019-01-19 19:42:21 +00:00
parent e6bcf1e4ac
commit 1fdb4a7907
3 changed files with 3 additions and 3 deletions
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2
target/linux/generic/backport-4.14/095-Allow-class-e-address-assignment-via-ifconfig-ioctl.patch
View File

@ -37,7 +37,7 @@ Reviewed-by: John Gilmore <gnu@toad.com>
-#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
-#define IN_BADCLASS(a) IN_EXPERIMENTAL((a))
+#define IN_BADCLASS(a) ((((long int) (a) ) == 0xffffffff)
+#define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff)
+#define IN_EXPERIMENTAL(a) IN_BADCLASS((a))
+
+#define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)

2
target/linux/generic/backport-4.19/095-Allow-class-e-address-assignment-via-ifconfig-ioctl.patch
View File

@ -37,7 +37,7 @@ Reviewed-by: John Gilmore <gnu@toad.com>
-#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
-#define IN_BADCLASS(a) IN_EXPERIMENTAL((a))
+#define IN_BADCLASS(a) ((((long int) (a) ) == 0xffffffff)
+#define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff)
+#define IN_EXPERIMENTAL(a) IN_BADCLASS((a))
+
+#define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)

2
target/linux/generic/backport-4.9/095-Allow-class-e-address-assignment-via-ifconfig-ioctl.patch
View File

@ -37,7 +37,7 @@ Reviewed-by: John Gilmore <gnu@toad.com>
-#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
-#define IN_BADCLASS(a) IN_EXPERIMENTAL((a))
+#define IN_BADCLASS(a) ((((long int) (a) ) == 0xffffffff)
+#define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff)
+#define IN_EXPERIMENTAL(a) IN_BADCLASS((a))
+
+#define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)