selinux: opened file can't have NULL or negative ->f_path.dentry
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -3135,11 +3135,6 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
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switch (cmd) {
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case F_SETFL:
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if (!file->f_path.dentry || !file->f_path.dentry->d_inode) {
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err = -EINVAL;
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break;
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}
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if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) {
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err = file_has_perm(cred, file, FILE__WRITE);
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break;
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@ -3162,10 +3157,6 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd,
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case F_SETLK64:
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case F_SETLKW64:
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#endif
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if (!file->f_path.dentry || !file->f_path.dentry->d_inode) {
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err = -EINVAL;
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break;
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}
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err = file_has_perm(cred, file, FILE__LOCK);
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break;
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}
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