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signal: Remove task parameter from force_sig

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All of the remaining callers pass current into force_sig so
remove the task parameter to make this obvious and to make
misuse more difficult in the future.

This also makes it clear force_sig passes current into force_sig_info.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2019-05-23 10:17:27 -05:00
parent cb44c9a0ab
commit 3cf5d076fb
76 changed files with 160 additions and 166 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/kernel/process_64.c
View File

@@ -570,7 +570,7 @@ void fault_in_user_windows(struct pt_regs *regs)
barf:
set_thread_wsaved(window + 1);
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
}
asmlinkage long sparc_do_fork(unsigned long clone_flags,

4
arch/sparc/kernel/signal32.c
View File

@@ -170,7 +170,7 @@ void do_sigreturn32(struct pt_regs *regs)
return;
segv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
}
asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
@@ -256,7 +256,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
set_current_blocked(&set);
return;
segv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
}
static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)

4
arch/sparc/kernel/signal_32.c
View File

@@ -137,7 +137,7 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
return;
segv_and_exit:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
}
asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
@@ -196,7 +196,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
set_current_blocked(&set);
return;
segv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
}
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)

6
arch/sparc/kernel/signal_64.c
View File

@@ -134,7 +134,7 @@ out:
exception_exit(prev_state);
return;
do_sigsegv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
goto out;
}
@@ -228,7 +228,7 @@ out:
exception_exit(prev_state);
return;
do_sigsegv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
goto out;
}
@@ -320,7 +320,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
set_current_blocked(&set);
return;
segv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
}
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)

2
arch/sparc/kernel/traps_64.c
View File

@@ -2181,7 +2181,7 @@ bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
addr += PAGE_SIZE;
}
}
force_sig(SIGKILL, current);
force_sig(SIGKILL);
return true;
}

2
arch/sparc/mm/fault_32.c
View File

@@ -425,7 +425,7 @@ do_sigbus:
static void check_stack_aligned(unsigned long sp)
{
if (sp & 0x7UL)
force_sig(SIGILL, current);
force_sig(SIGILL);
}
void window_overflow_fault(void)