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authorKees Cook <keescook@chromium.org>2017-03-05 08:31:19 +0100
committerKees Cook <keescook@chromium.org>2017-03-07 23:01:00 +0100
commita61072aae693ba08390f92eed1dd0573fa5c3cd9 (patch)
treef0e5084369f55c2b8f0365dfaf3ef1e582754803 /fs/pstore
parentpstore: Do not duplicate record metadata (diff)
downloadlinux-a61072aae693ba08390f92eed1dd0573fa5c3cd9.tar.xz
linux-a61072aae693ba08390f92eed1dd0573fa5c3cd9.zip
pstore: Replace arguments for erase() API
This removes the argument list for the erase() callback and replaces it with a pointer to the backend record details to be removed. Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'fs/pstore')
-rw-r--r--fs/pstore/inode.c12
-rw-r--r--fs/pstore/ram.c15
2 files changed, 12 insertions, 15 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 0ea281b457fa..06504b69575b 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -210,14 +210,12 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry)
if (err)
return err;
- if (record->psi->erase) {
- mutex_lock(&record->psi->read_mutex);
- record->psi->erase(record->type, record->id, record->count,
- d_inode(dentry)->i_ctime, record->psi);
- mutex_unlock(&record->psi->read_mutex);
- } else {
+ if (!record->psi->erase)
return -EPERM;
- }
+
+ mutex_lock(&record->psi->read_mutex);
+ record->psi->erase(record);
+ mutex_unlock(&record->psi->read_mutex);
return simple_unlink(dir, dentry);
}
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index ca6e2a814e37..a18575fe32e9 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -469,25 +469,24 @@ static int notrace ramoops_pstore_write_buf_user(enum pstore_type_id type,
return -EINVAL;
}
-static int ramoops_pstore_erase(enum pstore_type_id type, u64 id, int count,
- struct timespec time, struct pstore_info *psi)
+static int ramoops_pstore_erase(struct pstore_record *record)
{
- struct ramoops_context *cxt = psi->data;
+ struct ramoops_context *cxt = record->psi->data;
struct persistent_ram_zone *prz;
- switch (type) {
+ switch (record->type) {
case PSTORE_TYPE_DMESG:
- if (id >= cxt->max_dump_cnt)
+ if (record->id >= cxt->max_dump_cnt)
return -EINVAL;
- prz = cxt->dprzs[id];
+ prz = cxt->dprzs[record->id];
break;
case PSTORE_TYPE_CONSOLE:
prz = cxt->cprz;
break;
case PSTORE_TYPE_FTRACE:
- if (id >= cxt->max_ftrace_cnt)
+ if (record->id >= cxt->max_ftrace_cnt)
return -EINVAL;
- prz = cxt->fprzs[id];
+ prz = cxt->fprzs[record->id];
break;
case PSTORE_TYPE_PMSG:
prz = cxt->mprz;