GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

signal: Remove task parameter from force_sig

Browse source 
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

18
arch/mips/kernel/branch.c
View file

@ -32,7 +32,7 @@ int __isa_exception_epc(struct pt_regs *regs)
/* Calculate exception PC in branch delay slot. */
if (__get_user(inst, (u16 __user *) msk_isa16_mode(epc))) {
/* This should never happen because delay slot was checked. */
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
return epc;
}
if (cpu_has_mips16) {
@ -305,7 +305,7 @@ int __microMIPS_compute_return_epc(struct pt_regs *regs)
return 0;
sigsegv:
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
return -EFAULT;
}
@ -328,7 +328,7 @@ int __MIPS16e_compute_return_epc(struct pt_regs *regs)
/* Read the instruction. */
addr = (u16 __user *)msk_isa16_mode(epc);
if (__get_user(inst.full, addr)) {
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
return -EFAULT;
}
@ -343,7 +343,7 @@ int __MIPS16e_compute_return_epc(struct pt_regs *regs)
case MIPS16e_jal_op:
addr += 1;
if (__get_user(inst2, addr)) {
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
return -EFAULT;
}
fullinst = ((unsigned)inst.full << 16) | inst2;
@ -829,17 +829,17 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
sigill_dsp:
pr_debug("%s: DSP branch but not DSP ASE - sending SIGILL.\n",
current->comm);
force_sig(SIGILL, current);
force_sig(SIGILL);
return -EFAULT;
sigill_r2r6:
pr_debug("%s: R2 branch but r2-to-r6 emulator is not present - sending SIGILL.\n",
current->comm);
force_sig(SIGILL, current);
force_sig(SIGILL);
return -EFAULT;
sigill_r6:
pr_debug("%s: R6 branch but no MIPSr6 ISA support - sending SIGILL.\n",
current->comm);
force_sig(SIGILL, current);
force_sig(SIGILL);
return -EFAULT;
}
EXPORT_SYMBOL_GPL(__compute_return_epc_for_insn);
@ -859,7 +859,7 @@ int __compute_return_epc(struct pt_regs *regs)
*/
addr = (unsigned int __user *) epc;
if (__get_user(insn.word, addr)) {
force_sig(SIGSEGV, current);
force_sig(SIGSEGV);
return -EFAULT;
}
@ -867,7 +867,7 @@ int __compute_return_epc(struct pt_regs *regs)
unaligned:
printk("%s: unaligned epc - sending SIGBUS.\n", current->comm);
force_sig(SIGBUS, current);
force_sig(SIGBUS);
return -EFAULT;
}