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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-18 02:27:58 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-18 02:27:58 +0200
commit1f7a4c73a739a63b3f108d8eda6f947fdc70dd65 (patch)
tree6ce80b373421aab2d704e2c4b3a50faa2104b086 /fs/9p
parentMerge branch 'akpm' (patches from Andrew) (diff)
parentnet/9p/trans_virtio.c: add null terminal for mount tag (diff)
downloadlinux-1f7a4c73a739a63b3f108d8eda6f947fdc70dd65.tar.xz
linux-1f7a4c73a739a63b3f108d8eda6f947fdc70dd65.zip
Merge tag '9p-for-4.19-2' of git://github.com/martinetd/linux
Pull 9p updates from Dominique Martinet: "This contains mostly fixes (6 to be backported to stable) and a few changes, here is the breakdown: - rework how fids are attributed by replacing some custom tracking in a list by an idr - for packet-based transports (virtio/rdma) validate that the packet length matches what the header says - a few race condition fixes found by syzkaller - missing argument check when NULL device is passed in sys_mount - a few virtio fixes - some spelling and style fixes" * tag '9p-for-4.19-2' of git://github.com/martinetd/linux: (21 commits) net/9p/trans_virtio.c: add null terminal for mount tag 9p/virtio: fix off-by-one error in sg list bounds check 9p: fix whitespace issues 9p: fix multiple NULL-pointer-dereferences fs/9p/xattr.c: catch the error of p9_client_clunk when setting xattr failed 9p: validate PDU length net/9p/trans_fd.c: fix race by holding the lock net/9p/trans_fd.c: fix race-condition by flushing workqueue before the kfree() net/9p/virtio: Fix hard lockup in req_done net/9p/trans_virtio.c: fix some spell mistakes in comments 9p/net: Fix zero-copy path in the 9p virtio transport 9p: Embed wait_queue_head into p9_req_t 9p: Replace the fidlist with an IDR 9p: Change p9_fid_create calling convention 9p: Fix comment on smp_wmb net/9p/client.c: version pointer uninitialized fs/9p/v9fs.c: fix spelling mistake "Uknown" -> "Unknown" net/9p: fix error path of p9_virtio_probe 9p/net/protocol.c: return -ENOMEM when kmalloc() failed net/9p/client.c: add missing '\n' at the end of p9_debug() ...
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/v9fs.c2
-rw-r--r--fs/9p/vfs_file.c2
-rw-r--r--fs/9p/xattr.c6
3 files changed, 6 insertions, 4 deletions
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 0429c8ee58f1..89bac3d2f05b 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -343,7 +343,7 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
v9ses->uid = make_kuid(current_user_ns(), uid);
if (!uid_valid(v9ses->uid)) {
ret = -EINVAL;
- pr_info("Uknown uid %s\n", s);
+ pr_info("Unknown uid %s\n", s);
}
}
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 03c9e325bfbc..5f2e48d41d72 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -533,7 +533,7 @@ v9fs_mmap_file_mmap(struct file *filp, struct vm_area_struct *vma)
return retval;
}
-static int
+static vm_fault_t
v9fs_vm_page_mkwrite(struct vm_fault *vmf)
{
struct v9fs_inode *v9inode;
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index f329eee6dc93..352abc39e891 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -105,7 +105,7 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char *name,
{
struct kvec kvec = {.iov_base = (void *)value, .iov_len = value_len};
struct iov_iter from;
- int retval;
+ int retval, err;
iov_iter_kvec(&from, WRITE | ITER_KVEC, &kvec, 1, value_len);
@@ -126,7 +126,9 @@ int v9fs_fid_xattr_set(struct p9_fid *fid, const char *name,
retval);
else
p9_client_write(fid, 0, &from, &retval);
- p9_client_clunk(fid);
+ err = p9_client_clunk(fid);
+ if (!retval && err)
+ retval = err;
return retval;
}