diff options
Diffstat (limited to 'p11')
| -rw-r--r-- | p11 | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/p11 b/p11 deleted file mode 100644 index 852bb9323a9164..00000000000000 --- a/p11 +++ /dev/null @@ -1,177 +0,0 @@ -From e82f2d8eab210dc7eb0dba2bd8e3c64ad485442b Mon Sep 17 00:00:00 2001 -From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -Date: Wed, 30 May 2018 16:15:35 +0200 -Subject: [PATCH] x86: platform: no need to check return value of debugfs_create functions - -When calling debugfs functions, there is no need to ever check the -return value. The function can work or not, but the code logic should -never do something different based on this. - -Cc: Thomas Gleixner <tglx@linutronix.de> -Cc: Ingo Molnar <mingo@redhat.com> -Cc: Borislav Petkov <bp@alien8.de> -Cc: "H. Peter Anvin" <hpa@zytor.com> -Cc: <x86@kernel.org> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/platform/atom/punit_atom_debug.c | 22 ++++------------------ - arch/x86/platform/intel-quark/imr.c | 14 ++++---------- - arch/x86/platform/intel/iosf_mbi.c | 21 +++------------------ - arch/x86/platform/uv/tlb_uv.c | 15 ++------------- - 4 files changed, 13 insertions(+), 59 deletions(-) - ---- a/arch/x86/platform/atom/punit_atom_debug.c -+++ b/arch/x86/platform/atom/punit_atom_debug.c -@@ -113,24 +113,12 @@ DEFINE_SHOW_ATTRIBUTE(punit_dev_state); - - static struct dentry *punit_dbg_file; - --static int punit_dbgfs_register(struct punit_device *punit_device) -+static void punit_dbgfs_register(struct punit_device *punit_device) - { -- struct dentry *dev_state; -- - punit_dbg_file = debugfs_create_dir("punit_atom", NULL); -- if (!punit_dbg_file) -- return -ENXIO; -- -- dev_state = debugfs_create_file("dev_power_state", 0444, -- punit_dbg_file, punit_device, -- &punit_dev_state_fops); -- if (!dev_state) { -- pr_err("punit_dev_state register failed\n"); -- debugfs_remove(punit_dbg_file); -- return -ENXIO; -- } - -- return 0; -+ debugfs_create_file("dev_power_state", 0444, punit_dbg_file, -+ punit_device, &punit_dev_state_fops); - } - - static void punit_dbgfs_unregister(void) -@@ -160,9 +148,7 @@ static int __init punit_atom_debug_init( - if (!id) - return -ENODEV; - -- ret = punit_dbgfs_register((struct punit_device *)id->driver_data); -- if (ret < 0) -- return ret; -+ punit_dbgfs_register((struct punit_device *)id->driver_data); - - return 0; - } ---- a/arch/x86/platform/intel-quark/imr.c -+++ b/arch/x86/platform/intel-quark/imr.c -@@ -34,7 +34,6 @@ - #include <linux/types.h> - - struct imr_device { -- struct dentry *file; - bool init; - struct mutex lock; - int max_imr; -@@ -230,13 +229,11 @@ DEFINE_SHOW_ATTRIBUTE(imr_dbgfs_state); - * imr_debugfs_register - register debugfs hooks. - * - * @idev: pointer to imr_device structure. -- * @return: 0 on success - errno on failure. - */ --static int imr_debugfs_register(struct imr_device *idev) -+static void imr_debugfs_register(struct imr_device *idev) - { -- idev->file = debugfs_create_file("imr_state", 0444, NULL, idev, -- &imr_dbgfs_state_fops); -- return PTR_ERR_OR_ZERO(idev->file); -+ debugfs_create_file("imr_state", 0444, NULL, idev, -+ &imr_dbgfs_state_fops); - } - - /** -@@ -581,7 +578,6 @@ static const struct x86_cpu_id imr_ids[] - static int __init imr_init(void) - { - struct imr_device *idev = &imr_dev; -- int ret; - - if (!x86_match_cpu(imr_ids) || !iosf_mbi_available()) - return -ENODEV; -@@ -591,9 +587,7 @@ static int __init imr_init(void) - idev->init = true; - - mutex_init(&idev->lock); -- ret = imr_debugfs_register(idev); -- if (ret != 0) -- pr_warn("debugfs register failed!\n"); -+ imr_debugfs_register(idev); - imr_fixup_memmap(idev); - return 0; - } ---- a/arch/x86/platform/intel/iosf_mbi.c -+++ b/arch/x86/platform/intel/iosf_mbi.c -@@ -470,31 +470,16 @@ static struct dentry *iosf_dbg; - - static void iosf_sideband_debug_init(void) - { -- struct dentry *d; -- - iosf_dbg = debugfs_create_dir("iosf_sb", NULL); -- if (IS_ERR_OR_NULL(iosf_dbg)) -- return; - - /* mdr */ -- d = debugfs_create_x32("mdr", 0660, iosf_dbg, &dbg_mdr); -- if (!d) -- goto cleanup; -+ debugfs_create_x32("mdr", 0660, iosf_dbg, &dbg_mdr); - - /* mcrx */ -- d = debugfs_create_x32("mcrx", 0660, iosf_dbg, &dbg_mcrx); -- if (!d) -- goto cleanup; -+ debugfs_create_x32("mcrx", 0660, iosf_dbg, &dbg_mcrx); - - /* mcr - initiates mailbox tranaction */ -- d = debugfs_create_file("mcr", 0660, iosf_dbg, &dbg_mcr, &iosf_mcr_fops); -- if (!d) -- goto cleanup; -- -- return; -- --cleanup: -- debugfs_remove_recursive(d); -+ debugfs_create_file("mcr", 0660, iosf_dbg, &dbg_mcr, &iosf_mcr_fops); - } - - static void iosf_debugfs_init(void) ---- a/arch/x86/platform/uv/tlb_uv.c -+++ b/arch/x86/platform/uv/tlb_uv.c -@@ -68,7 +68,6 @@ static struct tunables tunables[] = { - }; - - static struct dentry *tunables_dir; --static struct dentry *tunables_file; - - /* these correspond to the statistics printed by ptc_seq_show() */ - static char *stat_description[] = { -@@ -1702,18 +1701,8 @@ static int __init uv_ptc_init(void) - } - - tunables_dir = debugfs_create_dir(UV_BAU_TUNABLES_DIR, NULL); -- if (!tunables_dir) { -- pr_err("unable to create debugfs directory %s\n", -- UV_BAU_TUNABLES_DIR); -- return -EINVAL; -- } -- tunables_file = debugfs_create_file(UV_BAU_TUNABLES_FILE, 0600, -- tunables_dir, NULL, &tunables_fops); -- if (!tunables_file) { -- pr_err("unable to create debugfs file %s\n", -- UV_BAU_TUNABLES_FILE); -- return -EINVAL; -- } -+ debugfs_create_file(UV_BAU_TUNABLES_FILE, 0600, tunables_dir, NULL, -+ &tunables_fops); - return 0; - } - |
