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sparc: missing checks of __get_user()/__put_user() return values

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-04-22 16:51:36 -04:00
parent 9a07880222
commit 187cd44e14
2 changed files with 12 additions and 10 deletions
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10
arch/sparc/kernel/signal32.c
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@@ -215,8 +215,9 @@ void do_sigreturn32(struct pt_regs *regs)
(((unsigned long) sf) & 3))
goto segv;
get_user(pc, &sf->info.si_regs.pc);
__get_user(npc, &sf->info.si_regs.npc);
if (get_user(pc, &sf->info.si_regs.pc) ||
__get_user(npc, &sf->info.si_regs.npc))
goto segv;
if ((pc | npc) & 3)
goto segv;
@@ -305,8 +306,9 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
(((unsigned long) sf) & 3))
goto segv;
get_user(pc, &sf->regs.pc);
__get_user(npc, &sf->regs.npc);
if (get_user(pc, &sf->regs.pc) ||
__get_user(npc, &sf->regs.npc))
goto segv;
if ((pc | npc) & 3)
goto segv;