diff options
| author |   Jakub Kicinski <kuba@kernel.org> | 2025-07-17 10:56:56 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-07-24 11:10:46 -0700 |
| commit | 8b5a19b4ff6a2096225d88cf24cfeef03edc1bed (patch) | |
| tree | 652b9d5bcfacfcde6e14381a7f6fac8430f0ac13 /fs/smb/client/file.c | |
| parent | Merge tag 'ipsec-next-2025-07-23' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next (diff) | |
| parent | Merge tag 'net-6.16-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | wireguard-linux-8b5a19b4ff6a2096225d88cf24cfeef03edc1bed.tar.xz wireguard-linux-8b5a19b4ff6a2096225d88cf24cfeef03edc1bed.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc8).
Conflicts:
drivers/net/ethernet/microsoft/mana/gdma_main.c
9669ddda18fb ("net: mana: Fix warnings for missing export.h header inclusion")
755391121038 ("net: mana: Allocate MSI-X vectors dynamically")
https://lore.kernel.org/20250711130752.23023d98@canb.auug.org.au
Adjacent changes:
drivers/net/ethernet/ti/icssg/icssg_prueth.h
6e86fb73de0f ("net: ti: icssg-prueth: Fix buffer allocation for ICSSG")
ffe8a4909176 ("net: ti: icssg-prueth: Read firmware-names from device tree")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/smb/client/file.c')
| -rw-r--r-- | fs/smb/client/file.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index e9212da32f01..1421bde045c2 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -3088,7 +3088,8 @@ void cifs_oplock_break(struct work_struct *work) struct cifsFileInfo *cfile = container_of(work, struct cifsFileInfo, oplock_break); struct inode *inode = d_inode(cfile->dentry); - struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct super_block *sb = inode->i_sb; + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifsInodeInfo *cinode = CIFS_I(inode); struct cifs_tcon *tcon; struct TCP_Server_Info *server; @@ -3098,6 +3099,12 @@ void cifs_oplock_break(struct work_struct *work) __u64 persistent_fid, volatile_fid; __u16 net_fid; + /* + * Hold a reference to the superblock to prevent it and its inodes from + * being freed while we are accessing cinode. Otherwise, _cifsFileInfo_put() + * may release the last reference to the sb and trigger inode eviction. + */ + cifs_sb_active(sb); wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS, TASK_UNINTERRUPTIBLE); @@ -3170,6 +3177,7 @@ oplock_break_ack: cifs_put_tlink(tlink); out: cifs_done_oplock_break(cinode); + cifs_sb_deactive(sb); } static int cifs_swap_activate(struct swap_info_struct *sis, |