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ftrace: Fix warning using plain integer as NULL & spelling corrections 

Changed  0 --> NULL to avoid sparse warning
Corrected spelling mistakes reported by checkpatch.pl
Sparse warning below:

sudo make C=2 CF=-D__CHECK_ENDIAN__ M=kernel/trace

CHECK   kernel/trace/ftrace.c
kernel/trace/ftrace.c:3007:24: warning: Using plain integer as NULL pointer
kernel/trace/ftrace.c:4758:37: warning: Using plain integer as NULL pointer

Link: http://lkml.kernel.org/r/20190323183523.GA2244@hari-Inspiron-1545

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
hifive-unleashed-5.1
Hariprasad Kelam 2019-03-24 00:05:23 +05:30 committed by Steven Rostedt (VMware)
parent 3dee10da2e
commit 9efb85c5cf
1 changed files with 6 additions and 6 deletions
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12
kernel/trace/ftrace.c
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@ -1992,7 +1992,7 @@ static void print_bug_type(void)
* modifying the code. @failed should be one of either:
* EFAULT - if the problem happens on reading the @ip address
* EINVAL - if what is read at @ip is not what was expected
* EPERM - if the problem happens on writting to the @ip address
* EPERM - if the problem happens on writing to the @ip address
*/
void ftrace_bug(int failed, struct dyn_ftrace *rec)
{
@ -2391,7 +2391,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
return ftrace_modify_call(rec, ftrace_old_addr, ftrace_addr);
}
return -1; /* unknow ftrace bug */
return -1; /* unknown ftrace bug */
}
void __weak ftrace_replace_code(int mod_flags)
@ -3004,7 +3004,7 @@ ftrace_allocate_pages(unsigned long num_to_init)
int cnt;
if (!num_to_init)
return 0;
return NULL;
start_pg = pg = kzalloc(sizeof(*pg), GFP_KERNEL);
if (!pg)
@ -4755,7 +4755,7 @@ static int
ftrace_set_addr(struct ftrace_ops *ops, unsigned long ip, int remove,
int reset, int enable)
{
return ftrace_set_hash(ops, 0, 0, ip, remove, reset, enable);
return ftrace_set_hash(ops, NULL, 0, ip, remove, reset, enable);
}
/**
@ -5463,7 +5463,7 @@ void ftrace_create_filter_files(struct ftrace_ops *ops,
/*
* The name "destroy_filter_files" is really a misnomer. Although
* in the future, it may actualy delete the files, but this is
* in the future, it may actually delete the files, but this is
* really intended to make sure the ops passed in are disabled
* and that when this function returns, the caller is free to
* free the ops.
@ -5786,7 +5786,7 @@ void ftrace_module_enable(struct module *mod)
/*
* If the tracing is enabled, go ahead and enable the record.
*
* The reason not to enable the record immediatelly is the
* The reason not to enable the record immediately is the
* inherent check of ftrace_make_nop/ftrace_make_call for
* correct previous instructions. Making first the NOP
* conversion puts the module to the correct state, thus