Merge tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux

Merge cpupower utility updates for 6.18-rc1 from Shuah Khan:

"Fixes incorrect return vale in cpupower_write_sysfs() error path
 and passing incorrect size to cpuidle_state_write_file() while
 writing status to disable file in cpuidle_state_disable()."

* tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: (1125 commits)
  tools/cpupower: Fix incorrect size in cpuidle_state_disable()
  tools/cpupower: fix error return value in cpupower_write_sysfs()
  Linux 6.17-rc6
  MAINTAINERS: Input: Drop melfas-mip4 section
  USB: core: remove the move buf action
  MAINTAINERS: Update the DMA Rust entry
  erofs: fix long xattr name prefix placement
  Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups"
  hsr: hold rcu and dev lock for hsr_get_port_ndev
  hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr
  hsr: use rtnl lock when iterating over ports
  wifi: nl80211: completely disable per-link stats for now
  net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups
  net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info
  selftests/bpf: Skip timer cases when bpf_timer is not supported
  bpf: Reject bpf_timer for PREEMPT_RT
  libceph: fix invalid accesses to ceph_connection_v1_info
  PM: hibernate: Restrict GFP mask in hibernation_snapshot()
  MAINTAINERS: add Phil as netfilter reviewer
  netfilter: nf_tables: restart set lookup on base_seq change
  ...

1 files changed, 24 insertions, 7 deletions

diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index beb4f18f05ef..2337cf795db3 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -304,6 +304,8 @@ static int cifs_debug_dirs_proc_show(struct seq_file *m, void *v)
 			list_for_each(tmp1, &ses->tcon_list) {
 				tcon = list_entry(tmp1, struct cifs_tcon, tcon_list);
 				cfids = tcon->cfids;
+				if (!cfids)
+					continue;
 				spin_lock(&cfids->cfid_list_lock); /* check lock ordering */
 				seq_printf(m, "Num entries: %d\n", cfids->num_entries);
 				list_for_each_entry(cfid, &cfids->entries, entry) {
@@ -319,8 +321,6 @@ static int cifs_debug_dirs_proc_show(struct seq_file *m, void *v)
 					seq_printf(m, "\n");
 				}
 				spin_unlock(&cfids->cfid_list_lock);
-
-
 			}
 		}
 	}
@@ -347,6 +347,22 @@ static __always_inline const char *compression_alg_str(__le16 alg)
 	}
 }
 
+static __always_inline const char *cipher_alg_str(__le16 cipher)
+{
+	switch (cipher) {
+	case SMB2_ENCRYPTION_AES128_CCM:
+		return "AES128-CCM";
+	case SMB2_ENCRYPTION_AES128_GCM:
+		return "AES128-GCM";
+	case SMB2_ENCRYPTION_AES256_CCM:
+		return "AES256-CCM";
+	case SMB2_ENCRYPTION_AES256_GCM:
+		return "AES256-GCM";
+	default:
+		return "UNKNOWN";
+	}
+}
+
 static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 {
 	struct mid_q_entry *mid_entry;
@@ -539,6 +555,11 @@ skip_rdma:
 		else
 			seq_puts(m, "disabled (not supported by this server)");
 
+		/* Show negotiated encryption cipher, even if not required */
+		seq_puts(m, "\nEncryption: ");
+		if (server->cipher_type)
+			seq_printf(m, "Negotiated cipher (%s)", cipher_alg_str(server->cipher_type));
+
 		seq_printf(m, "\n\n\tSessions: ");
 		i = 0;
 		list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
@@ -576,12 +597,8 @@ skip_rdma:
 
 			/* dump session id helpful for use with network trace */
 			seq_printf(m, " SessionId: 0x%llx", ses->Suid);
-			if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) {
+			if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA)
 				seq_puts(m, " encrypted");
-				/* can help in debugging to show encryption type */
-				if (server->cipher_type == SMB2_ENCRYPTION_AES256_GCM)
-					seq_puts(m, "(gcm256)");
-			}
 			if (ses->sign)
 				seq_puts(m, " signed");