diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0386-staging-vc04_services-no-need-to-save-the-log-debufs.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0386-staging-vc04_services-no-need-to-save-the-log-debufs.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0386-staging-vc04_services-no-need-to-save-the-log-debufs.patch b/target/linux/brcm2708/patches-4.14/950-0386-staging-vc04_services-no-need-to-save-the-log-debufs.patch new file mode 100644 index 0000000000..11e2e000d7 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0386-staging-vc04_services-no-need-to-save-the-log-debufs.patch @@ -0,0 +1,83 @@ +From 4940fd338dc53324603c0bd2642b0a3864baa5fe Mon Sep 17 00:00:00 2001 +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Date: Fri, 1 Jun 2018 13:10:04 +0200 +Subject: [PATCH 386/454] staging: vc04_services: no need to save the log + debufs dentries + +commit 3b93c0f4b6accb8105152900d7e414593a8b0c79 upstream + +The log entry dentries are only set, never referenced, so no need to +keep them around. Remove the pointer from struct +vchiq_debugfs_log_entry as it is not needed anymore and get rid of the +separate vchiq_debugfs_create_log_entries() function as it is only used +in one place. + +Suggested-by: Eric Anholt <eric@anholt.net> +Cc: Stefan Wahren <stefan.wahren@i2se.com> +Cc: Kees Cook <keescook@chromium.org> +Cc: Dan Carpenter <dan.carpenter@oracle.com> +Cc: Arnd Bergmann <arnd@arndb.de> +Cc: Keerthi Reddy <keerthigd4990@gmail.com> +Cc: linux-rpi-kernel@lists.infradead.org +Cc: linux-arm-kernel@lists.infradead.org +Reviewed-by: Eric Anholt <eric@anholt.net> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + .../interface/vchiq_arm/vchiq_debugfs.c | 29 +++++++------------ + 1 file changed, 10 insertions(+), 19 deletions(-) + +--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c ++++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c +@@ -60,7 +60,6 @@ struct dentry *vchiq_dbg_clients; + struct vchiq_debugfs_log_entry { + const char *name; + void *plevel; +- struct dentry *dir; + }; + + static struct vchiq_debugfs_log_entry vchiq_debugfs_log_entries[] = { +@@ -145,23 +144,6 @@ static const struct file_operations debu + .release = single_release, + }; + +-/* create an entry under <debugfs>/vchiq/log for each log category */ +-static void vchiq_debugfs_create_log_entries(struct dentry *top) +-{ +- struct dentry *dir; +- size_t i; +- +- dir = debugfs_create_dir("log", vchiq_dbg_dir); +- +- for (i = 0; i < n_log_entries; i++) { +- dir = debugfs_create_file(vchiq_debugfs_log_entries[i].name, +- 0644, dir, +- vchiq_debugfs_log_entries[i].plevel, +- &debugfs_log_fops); +- vchiq_debugfs_log_entries[i].dir = dir; +- } +-} +- + static int debugfs_usecount_show(struct seq_file *f, void *offset) + { + VCHIQ_INSTANCE_T instance = f->private; +@@ -269,10 +251,19 @@ void vchiq_debugfs_remove_instance(VCHIQ + + void vchiq_debugfs_init(void) + { ++ struct dentry *dir; ++ int i; ++ + vchiq_dbg_dir = debugfs_create_dir("vchiq", NULL); + vchiq_dbg_clients = debugfs_create_dir("clients", vchiq_dbg_dir); + +- vchiq_debugfs_create_log_entries(vchiq_dbg_dir); ++ /* create an entry under <debugfs>/vchiq/log for each log category */ ++ dir = debugfs_create_dir("log", vchiq_dbg_dir); ++ ++ for (i = 0; i < n_log_entries; i++) ++ debugfs_create_file(vchiq_debugfs_log_entries[i].name, 0644, ++ dir, vchiq_debugfs_log_entries[i].plevel, ++ &debugfs_log_fops); + } + + /* remove all the debugfs entries */ |