Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
ecryptfs: fixed testing of file descriptor flags
This patch replaces the check (lower_file->f_flags & O_RDONLY) with
((lower_file & O_ACCMODE) == O_RDONLY).
Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
authored by Roberto Sassu and committed by Tyler Hicks 0abe1169 27992890
+2
-2
fs/ecryptfs/file.c
+2
-2
fs/ecryptfs/file.c
···
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ecryptfs_dentry->d_name.name, rc);
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goto out_free;
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}
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-
if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
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-
&& !(file->f_flags & O_RDONLY)) {
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+
if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_ACCMODE)
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+
== O_RDONLY && (file->f_flags & O_ACCMODE) != O_RDONLY) {
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rc = -EPERM;
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printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
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"file must hence be opened RO\n", __func__);