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-rw-r--r--drivers/devfreq/event/rockchip-dfi.c45
-rw-r--r--fs/coredump.c2
-rw-r--r--fs/dax.c2
-rw-r--r--fs/dcache.c2
-rw-r--r--fs/exec.c2
-rw-r--r--fs/file_attr.c16
-rw-r--r--fs/file_table.c2
-rw-r--r--fs/fuse/ioctl.c4
-rw-r--r--fs/nsfs.c4
-rw-r--r--fs/overlayfs/copy_up.c2
-rw-r--r--fs/overlayfs/file.c5
-rw-r--r--fs/overlayfs/inode.c5
-rw-r--r--rust/kernel/bitmap.rs2
-rw-r--r--rust/kernel/fs/file.rs4
14 files changed, 46 insertions, 51 deletions
diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 5a2c9badcc64..5e6e7e900bda 100644
--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/drivers/devfreq/event/rockchip-dfi.c
@@ -20,6 +20,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/bitfield.h>
+#include <linux/hw_bitfield.h>
#include <linux/bits.h>
#include <linux/perf_event.h>
@@ -30,8 +31,6 @@
#define DMC_MAX_CHANNELS 4
-#define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16)
-
/* DDRMON_CTRL */
#define DDRMON_CTRL 0x04
#define DDRMON_CTRL_LPDDR5 BIT(6)
@@ -41,10 +40,6 @@
#define DDRMON_CTRL_LPDDR23 BIT(2)
#define DDRMON_CTRL_SOFTWARE_EN BIT(1)
#define DDRMON_CTRL_TIMER_CNT_EN BIT(0)
-#define DDRMON_CTRL_DDR_TYPE_MASK (DDRMON_CTRL_LPDDR5 | \
- DDRMON_CTRL_DDR4 | \
- DDRMON_CTRL_LPDDR4 | \
- DDRMON_CTRL_LPDDR23)
#define DDRMON_CTRL_LP5_BANK_MODE_MASK GENMASK(8, 7)
#define DDRMON_CH0_WR_NUM 0x20
@@ -124,27 +119,31 @@ struct rockchip_dfi {
unsigned int count_multiplier; /* number of data clocks per count */
};
-static int rockchip_dfi_ddrtype_to_ctrl(struct rockchip_dfi *dfi, u32 *ctrl,
- u32 *mask)
+static int rockchip_dfi_ddrtype_to_ctrl(struct rockchip_dfi *dfi, u32 *ctrl)
{
u32 ddrmon_ver;
- *mask = DDRMON_CTRL_DDR_TYPE_MASK;
-
switch (dfi->ddr_type) {
case ROCKCHIP_DDRTYPE_LPDDR2:
case ROCKCHIP_DDRTYPE_LPDDR3:
- *ctrl = DDRMON_CTRL_LPDDR23;
+ *ctrl = FIELD_PREP_WM16(DDRMON_CTRL_LPDDR23, 1) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LPDDR4, 0) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LPDDR5, 0);
break;
case ROCKCHIP_DDRTYPE_LPDDR4:
case ROCKCHIP_DDRTYPE_LPDDR4X:
- *ctrl = DDRMON_CTRL_LPDDR4;
+ *ctrl = FIELD_PREP_WM16(DDRMON_CTRL_LPDDR23, 0) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LPDDR4, 1) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LPDDR5, 0);
break;
case ROCKCHIP_DDRTYPE_LPDDR5:
ddrmon_ver = readl_relaxed(dfi->regs);
if (ddrmon_ver < 0x40) {
- *ctrl = DDRMON_CTRL_LPDDR5 | dfi->lp5_bank_mode;
- *mask |= DDRMON_CTRL_LP5_BANK_MODE_MASK;
+ *ctrl = FIELD_PREP_WM16(DDRMON_CTRL_LPDDR23, 0) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LPDDR4, 0) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LPDDR5, 1) |
+ FIELD_PREP_WM16(DDRMON_CTRL_LP5_BANK_MODE_MASK,
+ dfi->lp5_bank_mode);
break;
}
@@ -172,7 +171,6 @@ static int rockchip_dfi_enable(struct rockchip_dfi *dfi)
void __iomem *dfi_regs = dfi->regs;
int i, ret = 0;
u32 ctrl;
- u32 ctrl_mask;
mutex_lock(&dfi->mutex);
@@ -186,7 +184,7 @@ static int rockchip_dfi_enable(struct rockchip_dfi *dfi)
goto out;
}
- ret = rockchip_dfi_ddrtype_to_ctrl(dfi, &ctrl, &ctrl_mask);
+ ret = rockchip_dfi_ddrtype_to_ctrl(dfi, &ctrl);
if (ret)
goto out;
@@ -196,15 +194,16 @@ static int rockchip_dfi_enable(struct rockchip_dfi *dfi)
continue;
/* clear DDRMON_CTRL setting */
- writel_relaxed(HIWORD_UPDATE(0, DDRMON_CTRL_TIMER_CNT_EN |
- DDRMON_CTRL_SOFTWARE_EN | DDRMON_CTRL_HARDWARE_EN),
+ writel_relaxed(FIELD_PREP_WM16(DDRMON_CTRL_TIMER_CNT_EN, 0) |
+ FIELD_PREP_WM16(DDRMON_CTRL_SOFTWARE_EN, 0) |
+ FIELD_PREP_WM16(DDRMON_CTRL_HARDWARE_EN, 0),
dfi_regs + i * dfi->ddrmon_stride + DDRMON_CTRL);
- writel_relaxed(HIWORD_UPDATE(ctrl, ctrl_mask),
- dfi_regs + i * dfi->ddrmon_stride + DDRMON_CTRL);
+ writel_relaxed(ctrl, dfi_regs + i * dfi->ddrmon_stride +
+ DDRMON_CTRL);
/* enable count, use software mode */
- writel_relaxed(HIWORD_UPDATE(DDRMON_CTRL_SOFTWARE_EN, DDRMON_CTRL_SOFTWARE_EN),
+ writel_relaxed(FIELD_PREP_WM16(DDRMON_CTRL_SOFTWARE_EN, 1),
dfi_regs + i * dfi->ddrmon_stride + DDRMON_CTRL);
if (dfi->ddrmon_ctrl_single)
@@ -234,8 +233,8 @@ static void rockchip_dfi_disable(struct rockchip_dfi *dfi)
if (!(dfi->channel_mask & BIT(i)))
continue;
- writel_relaxed(HIWORD_UPDATE(0, DDRMON_CTRL_SOFTWARE_EN),
- dfi_regs + i * dfi->ddrmon_stride + DDRMON_CTRL);
+ writel_relaxed(FIELD_PREP_WM16(DDRMON_CTRL_SOFTWARE_EN, 0),
+ dfi_regs + i * dfi->ddrmon_stride + DDRMON_CTRL);
if (dfi->ddrmon_ctrl_single)
break;
diff --git a/fs/coredump.c b/fs/coredump.c
index b5fc06a092a4..5c1c381ee380 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -1468,7 +1468,7 @@ static int proc_dostring_coredump(const struct ctl_table *table, int write,
ssize_t retval;
char old_core_pattern[CORENAME_MAX_SIZE];
- if (write)
+ if (!write)
return proc_dostring(table, write, buffer, lenp, ppos);
retval = strscpy(old_core_pattern, core_pattern, CORENAME_MAX_SIZE);
diff --git a/fs/dax.c b/fs/dax.c
index 89f071ba7b10..516f995a988c 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1725,7 +1725,7 @@ dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
if (iov_iter_rw(iter) == WRITE) {
lockdep_assert_held_write(&iomi.inode->i_rwsem);
iomi.flags |= IOMAP_WRITE;
- } else {
+ } else if (!sb_rdonly(iomi.inode->i_sb)) {
lockdep_assert_held(&iomi.inode->i_rwsem);
}
diff --git a/fs/dcache.c b/fs/dcache.c
index a067fa0a965a..035cccbc9276 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2557,6 +2557,8 @@ struct dentry *d_alloc_parallel(struct dentry *parent,
spin_lock(&parent->d_lock);
new->d_parent = dget_dlock(parent);
hlist_add_head(&new->d_sib, &parent->d_children);
+ if (parent->d_flags & DCACHE_DISCONNECTED)
+ new->d_flags |= DCACHE_DISCONNECTED;
spin_unlock(&parent->d_lock);
retry:
diff --git a/fs/exec.c b/fs/exec.c
index 6b70c6726d31..4298e7e08d5d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -2048,7 +2048,7 @@ static int proc_dointvec_minmax_coredump(const struct ctl_table *table, int writ
{
int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
- if (!error && !write)
+ if (!error && write)
validate_coredump_safety();
return error;
}
diff --git a/fs/file_attr.c b/fs/file_attr.c
index 12424d4945d0..1dcec88c0680 100644
--- a/fs/file_attr.c
+++ b/fs/file_attr.c
@@ -84,7 +84,7 @@ int vfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
int error;
if (!inode->i_op->fileattr_get)
- return -EOPNOTSUPP;
+ return -ENOIOCTLCMD;
error = security_inode_file_getattr(dentry, fa);
if (error)
@@ -270,7 +270,7 @@ int vfs_fileattr_set(struct mnt_idmap *idmap, struct dentry *dentry,
int err;
if (!inode->i_op->fileattr_set)
- return -EOPNOTSUPP;
+ return -ENOIOCTLCMD;
if (!inode_owner_or_capable(idmap, inode))
return -EPERM;
@@ -312,8 +312,6 @@ int ioctl_getflags(struct file *file, unsigned int __user *argp)
int err;
err = vfs_fileattr_get(file->f_path.dentry, &fa);
- if (err == -EOPNOTSUPP)
- err = -ENOIOCTLCMD;
if (!err)
err = put_user(fa.flags, argp);
return err;
@@ -335,8 +333,6 @@ int ioctl_setflags(struct file *file, unsigned int __user *argp)
fileattr_fill_flags(&fa, flags);
err = vfs_fileattr_set(idmap, dentry, &fa);
mnt_drop_write_file(file);
- if (err == -EOPNOTSUPP)
- err = -ENOIOCTLCMD;
}
}
return err;
@@ -349,8 +345,6 @@ int ioctl_fsgetxattr(struct file *file, void __user *argp)
int err;
err = vfs_fileattr_get(file->f_path.dentry, &fa);
- if (err == -EOPNOTSUPP)
- err = -ENOIOCTLCMD;
if (!err)
err = copy_fsxattr_to_user(&fa, argp);
@@ -371,8 +365,6 @@ int ioctl_fssetxattr(struct file *file, void __user *argp)
if (!err) {
err = vfs_fileattr_set(idmap, dentry, &fa);
mnt_drop_write_file(file);
- if (err == -EOPNOTSUPP)
- err = -ENOIOCTLCMD;
}
}
return err;
@@ -424,6 +416,8 @@ SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename,
}
error = vfs_fileattr_get(filepath.dentry, &fa);
+ if (error == -ENOIOCTLCMD || error == -ENOTTY)
+ error = -EOPNOTSUPP;
if (error)
return error;
@@ -491,6 +485,8 @@ SYSCALL_DEFINE5(file_setattr, int, dfd, const char __user *, filename,
if (!error) {
error = vfs_fileattr_set(mnt_idmap(filepath.mnt),
filepath.dentry, &fa);
+ if (error == -ENOIOCTLCMD || error == -ENOTTY)
+ error = -EOPNOTSUPP;
mnt_drop_write(filepath.mnt);
}
diff --git a/fs/file_table.c b/fs/file_table.c
index b223d873e48b..cd4a3db4659a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -192,7 +192,7 @@ static int init_file(struct file *f, int flags, const struct cred *cred)
f->f_sb_err = 0;
/*
- * We're SLAB_TYPESAFE_BY_RCU so initialize f_count last. While
+ * We're SLAB_TYPESAFE_BY_RCU so initialize f_ref last. While
* fget-rcu pattern users need to be able to handle spurious
* refcount bumps we should reinitialize the reused file first.
*/
diff --git a/fs/fuse/ioctl.c b/fs/fuse/ioctl.c
index 57032eadca6c..fdc175e93f74 100644
--- a/fs/fuse/ioctl.c
+++ b/fs/fuse/ioctl.c
@@ -536,8 +536,6 @@ int fuse_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
cleanup:
fuse_priv_ioctl_cleanup(inode, ff);
- if (err == -ENOTTY)
- err = -EOPNOTSUPP;
return err;
}
@@ -574,7 +572,5 @@ int fuse_fileattr_set(struct mnt_idmap *idmap,
cleanup:
fuse_priv_ioctl_cleanup(inode, ff);
- if (err == -ENOTTY)
- err = -EOPNOTSUPP;
return err;
}
diff --git a/fs/nsfs.c b/fs/nsfs.c
index 648dc59bef7f..79b026a36fb6 100644
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -490,7 +490,9 @@ static struct dentry *nsfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
VFS_WARN_ON_ONCE(ns->ns_id != fid->ns_id);
VFS_WARN_ON_ONCE(ns->ns_type != fid->ns_type);
- VFS_WARN_ON_ONCE(ns->inum != fid->ns_inum);
+
+ if (ns->inum != fid->ns_inum)
+ return NULL;
if (!__ns_ref_get(ns))
return NULL;
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index aac7e34f56c1..604a82acd164 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -178,7 +178,7 @@ static int ovl_copy_fileattr(struct inode *inode, const struct path *old,
err = ovl_real_fileattr_get(old, &oldfa);
if (err) {
/* Ntfs-3g returns -EINVAL for "no fileattr support" */
- if (err == -EOPNOTSUPP || err == -EINVAL)
+ if (err == -ENOTTY || err == -EINVAL)
return 0;
pr_warn("failed to retrieve lower fileattr (%pd2, err=%i)\n",
old->dentry, err);
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index fc52c796061d..7ab2c9daffd0 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -369,11 +369,6 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter)
if (!ovl_should_sync(OVL_FS(inode->i_sb)))
ifl &= ~(IOCB_DSYNC | IOCB_SYNC);
- /*
- * Overlayfs doesn't support deferred completions, don't copy
- * this property in case it is set by the issuer.
- */
- ifl &= ~IOCB_DIO_CALLER_COMP;
ret = backing_file_write_iter(realfile, iter, iocb, ifl, &ctx);
out_unlock:
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index aaa4cf579561..e11f310ce092 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -720,7 +720,10 @@ int ovl_real_fileattr_get(const struct path *realpath, struct file_kattr *fa)
if (err)
return err;
- return vfs_fileattr_get(realpath->dentry, fa);
+ err = vfs_fileattr_get(realpath->dentry, fa);
+ if (err == -ENOIOCTLCMD)
+ err = -ENOTTY;
+ return err;
}
int ovl_fileattr_get(struct dentry *dentry, struct file_kattr *fa)
diff --git a/rust/kernel/bitmap.rs b/rust/kernel/bitmap.rs
index f45915694454..711b8368b38f 100644
--- a/rust/kernel/bitmap.rs
+++ b/rust/kernel/bitmap.rs
@@ -166,6 +166,7 @@ impl core::ops::Deref for BitmapVec {
fn deref(&self) -> &Bitmap {
let ptr = if self.nbits <= BITS_PER_LONG {
// SAFETY: Bitmap is represented inline.
+ #[allow(unused_unsafe, reason = "Safe since Rust 1.92.0")]
unsafe { core::ptr::addr_of!(self.repr.bitmap) }
} else {
// SAFETY: Bitmap is represented as array of `unsigned long`.
@@ -182,6 +183,7 @@ impl core::ops::DerefMut for BitmapVec {
fn deref_mut(&mut self) -> &mut Bitmap {
let ptr = if self.nbits <= BITS_PER_LONG {
// SAFETY: Bitmap is represented inline.
+ #[allow(unused_unsafe, reason = "Safe since Rust 1.92.0")]
unsafe { core::ptr::addr_of_mut!(self.repr.bitmap) }
} else {
// SAFETY: Bitmap is represented as array of `unsigned long`.
diff --git a/rust/kernel/fs/file.rs b/rust/kernel/fs/file.rs
index cf06e73a6da0..cd6987850332 100644
--- a/rust/kernel/fs/file.rs
+++ b/rust/kernel/fs/file.rs
@@ -448,9 +448,9 @@ impl Drop for FileDescriptorReservation {
}
}
-/// Represents the `EBADF` error code.
+/// Represents the [`EBADF`] error code.
///
-/// Used for methods that can only fail with `EBADF`.
+/// Used for methods that can only fail with [`EBADF`].
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct BadFdError;
generated by cgit (git 2.34.1) at 2025-10-16 02:37:38 +0000