forked from pool/virtualbox
6ae60f24fd
Fixed API changes for kernel 4.10 in "vbox_fix_4.10_api_changes.patch". OBS-URL: https://build.opensuse.org/package/show/Virtualization/virtualbox?expand=0&rev=306
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
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Index: VirtualBox-5.1.14/src/VBox/Additions/linux/sharedfolders/lnkops.c
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===================================================================
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--- VirtualBox-5.1.14.orig/src/VBox/Additions/linux/sharedfolders/lnkops.c
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+++ VirtualBox-5.1.14/src/VBox/Additions/linux/sharedfolders/lnkops.c
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@@ -88,6 +88,31 @@ static const char *sf_get_link(struct de
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}
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# endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 5, 0) */
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+# if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 10, 0)
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+/*
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+ * A helper for ->readlink(). This should be used *ONLY* for symlinks that
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+ * have ->get_link() not calling nd_jump_link(). Using (or not using) it
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+ * for any given inode is up to filesystem.
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+ */
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+static int generic_readlink(struct dentry *dentry, char __user *buffer,
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+ int buflen)
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+{
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+ DEFINE_DELAYED_CALL(done);
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+ struct inode *inode = d_inode(dentry);
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+ const char *link = inode->i_link;
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+ int res;
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+
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+ if (!link) {
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+ link = inode->i_op->get_link(dentry, inode, &done);
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+ if (IS_ERR(link))
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+ return PTR_ERR(link);
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+ }
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+ res = readlink_copy(buffer, buflen, link);
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+ do_delayed_call(&done);
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+ return res;
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+}
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+#endif
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+
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struct inode_operations sf_lnk_iops =
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{
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.readlink = generic_readlink,
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