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autoconf: Fail when __copy_from_user_inatomic is a non-GPL symbol

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A followup to 849c14e048
Fix https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1009242

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #13389
This commit is contained in:
szubersk
2022-05-07 00:53:42 +00:00
committed by Brian Behlendorf
parent 13b1f336d3
commit 756c3e085b
2 changed files with 5 additions and 6 deletions
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config/kernel-copy-from-user-inatomic.m4
+5 -2
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@@ -18,9 +18,12 @@ AC_DEFUN([ZFS_AC_KERNEL___COPY_FROM_USER_INATOMIC], [
AC_MSG_CHECKING([whether __copy_from_user_inatomic is available])
ZFS_LINUX_TEST_RESULT([__copy_from_user_inatomic_license], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE___COPY_FROM_USER_INATOMIC, 1,
[__copy_from_user_inatomic is available])
], [
AC_MSG_RESULT(no)
AC_MSG_ERROR([
*** The `__copy_from_user_inatomic()` Linux kernel function is
*** incompatible with the CDDL license and will prevent the module
*** linking stage from succeeding. OpenZFS cannot be compiled.
])
])
])