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Commit 5f202bd5 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Frederic Weisbecker
Browse files

do_coredump: Do not take BKL 



core_pattern is not actually protected and hasn't been
ever since we introduced procfs support for sysctl -- a
_long_ time. Don't take it here either.

Also nothing inside do_coredump appears to require bkl
protection.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
[ remove smp_lock.h headers ]
Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
parent 5e3d20a6

fs/exec.c

+0 −7
Original line number Diff line number Diff line
@@ -28,7 +28,6 @@ 
#include <linux/mm.h>

#include <linux/stat.h>

#include <linux/fcntl.h>

#include <linux/smp_lock.h>

#include <linux/swap.h>

#include <linux/string.h>

#include <linux/init.h>
@@ -1891,13 +1890,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs) 
	 */

	clear_thread_flag(TIF_SIGPENDING);



	/*

	 * lock_kernel() because format_corename() is controlled by sysctl, which

	 * uses lock_kernel()

	 */

 	lock_kernel();

	ispipe = format_corename(corename, signr);

	unlock_kernel();



 	if (ispipe) {

		int dump_count;