Merge branch 'fprobe: Fixes for Sparse and Smatch warnings'

Masami Hiramatsu says:

====================

Hi,

These fprobe patches are for fixing the warnings by Smatch and sparse.
This is arch independent part of the fixes.

Thank you,
---
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov 2022-03-28 19:05:41 -07:00
commit 76db1784c1

View file

@ -150,15 +150,15 @@ static int fprobe_init_rethook(struct fprobe *fp, int num)
fp->rethook = rethook_alloc((void *)fp, fprobe_exit_handler);
for (i = 0; i < size; i++) {
struct rethook_node *node;
struct fprobe_rethook_node *node;
node = kzalloc(sizeof(struct fprobe_rethook_node), GFP_KERNEL);
node = kzalloc(sizeof(*node), GFP_KERNEL);
if (!node) {
rethook_free(fp->rethook);
fp->rethook = NULL;
return -ENOMEM;
}
rethook_add_node(fp->rethook, node);
rethook_add_node(fp->rethook, &node->node);
}
return 0;
}
@ -215,7 +215,7 @@ int register_fprobe(struct fprobe *fp, const char *filter, const char *notfilter
* correctly calculate the total number of filtered symbols
* from both filter and notfilter.
*/
hash = fp->ops.local_hash.filter_hash;
hash = rcu_access_pointer(fp->ops.local_hash.filter_hash);
if (WARN_ON_ONCE(!hash))
goto out;