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CRIS: Return something from profile write

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Even if it doesn't matter, we should return something.
Also, clean up some formatting.

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
This commit is contained in:
Jesper Nilsson 2010-08-04 11:44:08 +02:00
parent 72e08db187
commit c1c8f55874
1 changed files with 7 additions and 8 deletions
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15
arch/cris/kernel/profile.c
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@ -9,12 +9,11 @@
#define SAMPLE_BUFFER_SIZE 8192 #define SAMPLE_BUFFER_SIZE 8192
static char* sample_buffer; static char *sample_buffer;
static char* sample_buffer_pos; static char *sample_buffer_pos;
static int prof_running = 0; static int prof_running = 0;
void void cris_profile_sample(struct pt_regs *regs)
cris_profile_sample(struct pt_regs* regs)
{ {
if (!prof_running) if (!prof_running)
return; return;
@ -24,7 +23,7 @@ cris_profile_sample(struct pt_regs* regs)
else else
*(unsigned int*)sample_buffer_pos = 0; *(unsigned int*)sample_buffer_pos = 0;
*(unsigned int*)(sample_buffer_pos + 4) = instruction_pointer(regs); *(unsigned int *)(sample_buffer_pos + 4) = instruction_pointer(regs);
sample_buffer_pos += 8; sample_buffer_pos += 8;
if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE) if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE)
@ -54,6 +53,7 @@ write_cris_profile(struct file *file, const char __user *buf,
{ {
sample_buffer_pos = sample_buffer; sample_buffer_pos = sample_buffer;
memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE); memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE);
return count < SAMPLE_BUFFER_SIZE ? count : SAMPLE_BUFFER_SIZE;
} }
static const struct file_operations cris_proc_profile_operations = { static const struct file_operations cris_proc_profile_operations = {
@ -61,8 +61,7 @@ static const struct file_operations cris_proc_profile_operations = {
.write = write_cris_profile, .write = write_cris_profile,
}; };
static int static int __init init_cris_profile(void)
__init init_cris_profile(void)
{ {
struct proc_dir_entry *entry; struct proc_dir_entry *entry;
@ -82,5 +81,5 @@ __init init_cris_profile(void)
return 0; return 0;
} }
__initcall(init_cris_profile); __initcall(init_cris_profile);