diff options
author | Eric Van Hensbergen <ericvh@kernel.org> | 2023-04-26 19:18:49 +0300 |
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committer | Eric Van Hensbergen <ericvh@kernel.org> | 2023-04-28 19:59:26 +0300 |
commit | 21e26d5e54ab7cfe6b488fd27d4d70956d07e03b (patch) | |
tree | fda636c1f4fcf61a8f31ea81684c3fb25b69deee /fs/9p | |
parent | 4eb3117888a923f6b9b1ad2dd093641c49a63ae5 (diff) | |
download | linux-21e26d5e54ab7cfe6b488fd27d4d70956d07e03b.tar.xz |
fs/9p: Fix bit operation logic error
This re-introduces a fix that somehow got dropped during rebase of the
current series in for-next. When writeback is enabled, opens
are forced to support both read and write operations but with the
logic error other flags may be dropped unintentionaly.
Reported-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
Diffstat (limited to 'fs/9p')
-rw-r--r-- | fs/9p/vfs_inode.c | 2 | ||||
-rw-r--r-- | fs/9p/vfs_inode_dotl.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 54dfe4f10f43..3791f642c502 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -823,7 +823,7 @@ v9fs_vfs_atomic_open(struct inode *dir, struct dentry *dentry, p9_omode = v9fs_uflags2omode(flags, v9fs_proto_dotu(v9ses)); if ((v9ses->cache & CACHE_WRITEBACK) && (p9_omode & P9_OWRITE)) { - p9_omode = (p9_omode & !P9_OWRITE) | P9_ORDWR; + p9_omode = (p9_omode & ~P9_OWRITE) | P9_ORDWR; p9_debug(P9_DEBUG_CACHE, "write-only file with writeback enabled, creating w/ O_RDWR\n"); } diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index f9371b5b70ea..3acf2bcb69cc 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -288,7 +288,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry, } if ((v9ses->cache & CACHE_WRITEBACK) && (p9_omode & P9_OWRITE)) { - p9_omode = (p9_omode & !P9_OWRITE) | P9_ORDWR; + p9_omode = (p9_omode & ~P9_OWRITE) | P9_ORDWR; p9_debug(P9_DEBUG_CACHE, "write-only file with writeback enabled, creating w/ O_RDWR\n"); } |