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ed3fc80048
Support for PaX/GRSecurity patched kernels was developed against Linux 3.2. Unfortunately, an autotools check introduced for a Linux 3.3 API fails on PaX/GRSecurity patched kernels. This causes the module to be built against the Linux 3.2 ABI, which results in a NULL pointer dereference at runtime. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Richard Yao <ryao@cs.stonybrook.edu> Closes #794 Closes #809
23 lines
518 B
Plaintext
23 lines
518 B
Plaintext
dnl #
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dnl # Linux 3.3 API
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SHOW_OPTIONS], [
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AC_MSG_CHECKING([whether sops->show_options() wants dentry])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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int show_options (struct seq_file * x, struct dentry * y) { return 0; };
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static struct super_operations sops __attribute__ ((unused)) = {
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.show_options = show_options,
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};
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],[
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],[
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AC_MSG_RESULT([yes])
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AC_DEFINE(HAVE_SHOW_OPTIONS_WITH_DENTRY, 1,
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[sops->show_options() with dentry])
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],[
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AC_MSG_RESULT([no])
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])
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])
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