diff options
| -rw-r--r-- | arch/powerpc/platforms/powernv/memtrace.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-imc.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/vas-debug.c | 37 |
4 files changed, 10 insertions, 63 deletions
diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index eb2e75dac369..d6d64f8718e6 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -187,11 +187,6 @@ static int memtrace_init_debugfs(void) snprintf(ent->name, 16, "%08x", ent->nid); dir = debugfs_create_dir(ent->name, memtrace_debugfs_dir); - if (!dir) { - pr_err("Failed to create debugfs directory for node %d\n", - ent->nid); - return -1; - } ent->dir = dir; debugfs_create_file("trace", 0400, dir, ent, &memtrace_fops); @@ -314,8 +309,6 @@ static int memtrace_init(void) { memtrace_debugfs_dir = debugfs_create_dir("memtrace", powerpc_debugfs_root); - if (!memtrace_debugfs_dir) - return -1; debugfs_create_file("enable", 0600, memtrace_debugfs_dir, NULL, &memtrace_init_fops); diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c index 000b350d4060..968b9a4d1cd9 100644 --- a/arch/powerpc/platforms/powernv/opal-imc.c +++ b/arch/powerpc/platforms/powernv/opal-imc.c @@ -35,11 +35,10 @@ static int imc_mem_set(void *data, u64 val) } DEFINE_DEBUGFS_ATTRIBUTE(fops_imc_x64, imc_mem_get, imc_mem_set, "0x%016llx\n"); -static struct dentry *imc_debugfs_create_x64(const char *name, umode_t mode, - struct dentry *parent, u64 *value) +static void imc_debugfs_create_x64(const char *name, umode_t mode, + struct dentry *parent, u64 *value) { - return debugfs_create_file_unsafe(name, mode, parent, - value, &fops_imc_x64); + debugfs_create_file_unsafe(name, mode, parent, value, &fops_imc_x64); } /* @@ -59,9 +58,6 @@ static void export_imc_mode_and_cmd(struct device_node *node, imc_debugfs_parent = debugfs_create_dir("imc", powerpc_debugfs_root); - if (!imc_debugfs_parent) - return; - if (of_property_read_u32(node, "cb_offset", &cb_offset)) cb_offset = IMC_CNTL_BLK_OFFSET; @@ -69,21 +65,15 @@ static void export_imc_mode_and_cmd(struct device_node *node, loc = (u64)(ptr->vbase) + cb_offset; imc_mode_addr = (u64 *)(loc + IMC_CNTL_BLK_MODE_OFFSET); sprintf(mode, "imc_mode_%d", (u32)(ptr->id)); - if (!imc_debugfs_create_x64(mode, 0600, imc_debugfs_parent, - imc_mode_addr)) - goto err; + imc_debugfs_create_x64(mode, 0600, imc_debugfs_parent, + imc_mode_addr); imc_cmd_addr = (u64 *)(loc + IMC_CNTL_BLK_CMD_OFFSET); sprintf(cmd, "imc_cmd_%d", (u32)(ptr->id)); - if (!imc_debugfs_create_x64(cmd, 0600, imc_debugfs_parent, - imc_cmd_addr)) - goto err; + imc_debugfs_create_x64(cmd, 0600, imc_debugfs_parent, + imc_cmd_addr); ptr++; } - return; - -err: - debugfs_remove_recursive(imc_debugfs_parent); } /* diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 22c22cd7bd82..57d3a6af1d52 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3174,11 +3174,6 @@ static void pnv_pci_ioda_create_dbgfs(void) sprintf(name, "PCI%04x", hose->global_number); phb->dbgfs = debugfs_create_dir(name, powerpc_debugfs_root); - if (!phb->dbgfs) { - pr_warn("%s: Error on creating debugfs on PHB#%x\n", - __func__, hose->global_number); - continue; - } debugfs_create_file_unsafe("dump_diag_regs", 0200, phb->dbgfs, phb, &pnv_pci_diag_data_fops); diff --git a/arch/powerpc/platforms/powernv/vas-debug.c b/arch/powerpc/platforms/powernv/vas-debug.c index 09e63df53c30..44035a3d6414 100644 --- a/arch/powerpc/platforms/powernv/vas-debug.c +++ b/arch/powerpc/platforms/powernv/vas-debug.c @@ -115,7 +115,7 @@ void vas_window_free_dbgdir(struct vas_window *window) void vas_window_init_dbgdir(struct vas_window *window) { - struct dentry *f, *d; + struct dentry *d; if (!window->vinst->dbgdir) return; @@ -127,28 +127,10 @@ void vas_window_init_dbgdir(struct vas_window *window) snprintf(window->dbgname, 16, "w%d", window->winid); d = debugfs_create_dir(window->dbgname, window->vinst->dbgdir); - if (IS_ERR(d)) - goto free_name; - window->dbgdir = d; - f = debugfs_create_file("info", 0444, d, window, &info_fops); - if (IS_ERR(f)) - goto remove_dir; - - f = debugfs_create_file("hvwc", 0444, d, window, &hvwc_fops); - if (IS_ERR(f)) - goto remove_dir; - - return; - -remove_dir: - debugfs_remove_recursive(window->dbgdir); - window->dbgdir = NULL; - -free_name: - kfree(window->dbgname); - window->dbgname = NULL; + debugfs_create_file("info", 0444, d, window, &info_fops); + debugfs_create_file("hvwc", 0444, d, window, &hvwc_fops); } void vas_instance_init_dbgdir(struct vas_instance *vinst) @@ -156,8 +138,6 @@ void vas_instance_init_dbgdir(struct vas_instance *vinst) struct dentry *d; vas_init_dbgdir(); - if (!vas_debugfs) - return; vinst->dbgname = kzalloc(16, GFP_KERNEL); if (!vinst->dbgname) @@ -166,16 +146,7 @@ void vas_instance_init_dbgdir(struct vas_instance *vinst) snprintf(vinst->dbgname, 16, "v%d", vinst->vas_id); d = debugfs_create_dir(vinst->dbgname, vas_debugfs); - if (IS_ERR(d)) - goto free_name; - vinst->dbgdir = d; - return; - -free_name: - kfree(vinst->dbgname); - vinst->dbgname = NULL; - vinst->dbgdir = NULL; } /* @@ -191,6 +162,4 @@ void vas_init_dbgdir(void) first_time = false; vas_debugfs = debugfs_create_dir("vas", NULL); - if (IS_ERR(vas_debugfs)) - vas_debugfs = NULL; } |