summaryrefslogtreecommitdiff
path: root/drivers/base/devtmpfs.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2025-05-01 14:43:44 +0900
committerMark Brown <broonie@kernel.org>2025-05-01 14:43:44 +0900
commit844af9911a5d1dc41f3478dc312a404b38cbc83b (patch)
treed6aef04723f2265235c3d7fb846e522269bacbab /drivers/base/devtmpfs.c
parent7f91f012c1df07af6b915d1f8cece202774bb50e (diff)
parentcce34d113e2a592806abcdc02c7f8513775d8b20 (diff)
ASoC: stm32: sai: fix kernel rate configuration
Merge series from Olivier Moysan <olivier.moysan@foss.st.com>: This patchset adds some checks on kernel minimum rate requirements. This avoids potential clock rate misconfiguration, when setting the kernel frequency on STM32MP2 SoCs.
Diffstat (limited to 'drivers/base/devtmpfs.c')
-rw-r--r--drivers/base/devtmpfs.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 6dd1a8860f1c..31bfb3194b4c 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -296,7 +296,7 @@ static int delete_path(const char *nodepath)
return err;
}
-static int dev_mynode(struct device *dev, struct inode *inode, struct kstat *stat)
+static int dev_mynode(struct device *dev, struct inode *inode)
{
/* did we create it */
if (inode->i_private != &thread)
@@ -304,13 +304,13 @@ static int dev_mynode(struct device *dev, struct inode *inode, struct kstat *sta
/* does the dev_t match */
if (is_blockdev(dev)) {
- if (!S_ISBLK(stat->mode))
+ if (!S_ISBLK(inode->i_mode))
return 0;
} else {
- if (!S_ISCHR(stat->mode))
+ if (!S_ISCHR(inode->i_mode))
return 0;
}
- if (stat->rdev != dev->devt)
+ if (inode->i_rdev != dev->devt)
return 0;
/* ours */
@@ -321,20 +321,16 @@ static int handle_remove(const char *nodename, struct device *dev)
{
struct path parent;
struct dentry *dentry;
- struct kstat stat;
- struct path p;
+ struct inode *inode;
int deleted = 0;
- int err;
+ int err = 0;
dentry = kern_path_locked(nodename, &parent);
if (IS_ERR(dentry))
return PTR_ERR(dentry);
- p.mnt = parent.mnt;
- p.dentry = dentry;
- err = vfs_getattr(&p, &stat, STATX_TYPE | STATX_MODE,
- AT_STATX_SYNC_AS_STAT);
- if (!err && dev_mynode(dev, d_inode(dentry), &stat)) {
+ inode = d_inode(dentry);
+ if (dev_mynode(dev, inode)) {
struct iattr newattrs;
/*
* before unlinking this node, reset permissions
@@ -342,7 +338,7 @@ static int handle_remove(const char *nodename, struct device *dev)
*/
newattrs.ia_uid = GLOBAL_ROOT_UID;
newattrs.ia_gid = GLOBAL_ROOT_GID;
- newattrs.ia_mode = stat.mode & ~0777;
+ newattrs.ia_mode = inode->i_mode & ~0777;
newattrs.ia_valid =
ATTR_UID|ATTR_GID|ATTR_MODE;
inode_lock(d_inode(dentry));