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Fix GCC declaration-after-statement error 

Since upgrading to Linux v5.18 in Nixpkgs, we've been seeing an
"ISO C90 forbids mixed declarations and code" error from GCC.

This patch fixes it by initializing regs as part of its declaration,
meaning hook will no longer be declared after a statement.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
This commit is contained in:
Alyssa Ross 2022-05-23 13:39:03 +00:00 committed by Geoffrey McRae
parent e65b850acc
commit 4b466e92a2
1 changed files with 1 additions and 2 deletions
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src/ftrace.c
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@ -55,8 +55,7 @@ static void notrace fh_trace_thunk(unsigned long ip, unsigned long parent_ip, st
#else
static void notrace fh_trace_thunk(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *ops, struct ftrace_regs *fregs)
{
struct pt_regs *regs;
regs = ftrace_get_regs(fregs);
struct pt_regs *regs = ftrace_get_regs(fregs);
#endif
struct ftrace_hook *hook = to_ftrace_hook(ops);