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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-31 09:25:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-31 09:25:12 -0700 |
| commit | f3438b4c4e692b49b7dc2bab864d20381024be16 (patch) | |
| tree | 25c19a5dcc094ac6d6fc43c7a98c5379168426bd | |
| parent | Merge tag 'net-5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| parent | cifs: add missing parsing of backupuid (diff) | |
| download | linux-stable-f3438b4c4e692b49b7dc2bab864d20381024be16.tar.xz linux-stable-f3438b4c4e692b49b7dc2bab864d20381024be16.zip | |
Merge tag '5.14-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Three cifs/smb3 fixes, including two for stable, and a fix for an
fallocate problem noticed by Clang"
* tag '5.14-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: add missing parsing of backupuid
smb3: rc uninitialized in one fallocate path
SMB3: fix readpage for large swap cache
| -rw-r--r-- | fs/cifs/file.c | 2 | ||||
| -rw-r--r-- | fs/cifs/fs_context.c | 7 | ||||
| -rw-r--r-- | fs/cifs/smb2ops.c | 3 |
3 files changed, 10 insertions, 2 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index cd108607a070..0a72840a88f1 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -4619,7 +4619,7 @@ read_complete: static int cifs_readpage(struct file *file, struct page *page) { - loff_t offset = (loff_t)page->index << PAGE_SHIFT; + loff_t offset = page_file_offset(page); int rc = -EACCES; unsigned int xid; diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index 9a59d7ff9a11..eed59bc1d913 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -925,6 +925,13 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, ctx->cred_uid = uid; ctx->cruid_specified = true; break; + case Opt_backupuid: + uid = make_kuid(current_user_ns(), result.uint_32); + if (!uid_valid(uid)) + goto cifs_parse_mount_err; + ctx->backupuid = uid; + ctx->backupuid_specified = true; + break; case Opt_backupgid: gid = make_kgid(current_user_ns(), result.uint_32); if (!gid_valid(gid)) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 23d6f4d71649..2dfd0d8297eb 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3617,7 +3617,8 @@ static int smb3_simple_fallocate_write_range(unsigned int xid, char *buf) { struct cifs_io_parms io_parms = {0}; - int rc, nbytes; + int nbytes; + int rc = 0; struct kvec iov[2]; io_parms.netfid = cfile->fid.netfid; |