Add a terminating newline character to sysfs_emit() format strings in audio_manager_module.c.
Without a trailing newline, reading sysfs attributes directly from user space (e.g., using `cat`) appends the command prompt to the output string, leading to broken formatting. Including '\n' ensures compliance with sysfs single-value formatting standards and prevents parsing issues in user space tools and scripts.
Signed-off-by: Omer PALA palaomer100@gmail.com --- drivers/staging/greybus/audio_manager_module.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/greybus/audio_manager_module.c b/drivers/staging/greybus/audio_manager_module.c index dc90cc2d2..5737f2a32 100644 --- a/drivers/staging/greybus/audio_manager_module.c +++ b/drivers/staging/greybus/audio_manager_module.c @@ -75,7 +75,7 @@ static void gb_audio_module_release(struct kobject *kobj) static ssize_t gb_audio_module_name_show(struct gb_audio_manager_module *module, struct gb_audio_manager_module_attribute *attr, char *buf) { - return sysfs_emit(buf, "%s", module->desc.name); + return sysfs_emit(buf, "%s\n", module->desc.name); }
static struct gb_audio_manager_module_attribute gb_audio_module_name_attribute = @@ -84,7 +84,7 @@ static struct gb_audio_manager_module_attribute gb_audio_module_name_attribute = static ssize_t gb_audio_module_vid_show(struct gb_audio_manager_module *module, struct gb_audio_manager_module_attribute *attr, char *buf) { - return sysfs_emit(buf, "%d", module->desc.vid); + return sysfs_emit(buf, "%d\n", module->desc.vid); }
static struct gb_audio_manager_module_attribute gb_audio_module_vid_attribute = @@ -93,7 +93,7 @@ static struct gb_audio_manager_module_attribute gb_audio_module_vid_attribute = static ssize_t gb_audio_module_pid_show(struct gb_audio_manager_module *module, struct gb_audio_manager_module_attribute *attr, char *buf) { - return sysfs_emit(buf, "%d", module->desc.pid); + return sysfs_emit(buf, "%d\n", module->desc.pid); }
static struct gb_audio_manager_module_attribute gb_audio_module_pid_attribute = @@ -103,7 +103,7 @@ static ssize_t gb_audio_module_intf_id_show(struct gb_audio_manager_module *modu struct gb_audio_manager_module_attribute *attr, char *buf) { - return sysfs_emit(buf, "%d", module->desc.intf_id); + return sysfs_emit(buf, "%d\n", module->desc.intf_id); }
static struct gb_audio_manager_module_attribute @@ -114,7 +114,7 @@ static ssize_t gb_audio_module_ip_devices_show(struct gb_audio_manager_module *m struct gb_audio_manager_module_attribute *attr, char *buf) { - return sysfs_emit(buf, "0x%X", module->desc.ip_devices); + return sysfs_emit(buf, "0x%X\n", module->desc.ip_devices); }
static struct gb_audio_manager_module_attribute @@ -125,7 +125,7 @@ static ssize_t gb_audio_module_op_devices_show(struct gb_audio_manager_module *m struct gb_audio_manager_module_attribute *attr, char *buf) { - return sysfs_emit(buf, "0x%X", module->desc.op_devices); + return sysfs_emit(buf, "0x%X\n", module->desc.op_devices); }
static struct gb_audio_manager_module_attribute
Omer PALA palaomer100@gmail.com writes:
Add a terminating newline character to sysfs_emit() format strings in audio_manager_module.c.
Without a trailing newline, reading sysfs attributes directly from user space (e.g., using `cat`) appends the command prompt to the output string, leading to broken formatting. Including '\n' ensures compliance with sysfs single-value formatting standards and prevents parsing issues in user space tools and scripts.
Signed-off-by: Omer PALA palaomer100@gmail.com
Also no, sorry. See: https://lore.kernel.org/linux-staging/anw3nOfSGKoq-1E_@stanley.mountain/
It is a good idea to look up the mailing list archive for other patches attempting to do the same thing.
Nam
Nam Cao wrote:
Also no, sorry. See: https://lore.kernel.org/linux-staging/anw3nOfSGKoq-1E_@stanley.mountain/
It is a good idea to look up the mailing list archive for other patches attempting to do the same thing.
Nam
sorry for wasting your time
best regards Omer PALA