Eric Lee / smarc-ti-linux-kernel

Download as
Browse Code ยป

Commit 615869e40bc0f84bc73d43e83ab88a7d4b66759f

Authored by Richard Weinberger
Committed by Richard Weinberger
1 parent e90670a962
Exists in ti-lsk-linux-4.1.y and in 10 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04

c6x: Use sigsp() 

Use sigsp() instead of the open coded variant.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Mark Salter <msalter@redhat.com>

Showing 1 changed file with 3 additions and 9 deletions Side-by-side Diff

arch/c6x/kernel/signal.c
Diff comments   View file @ 615869e
... ... @@ -127,19 +127,13 @@
127 127 return err;
128 128 }
129 129  
130   -static inline void __user *get_sigframe(struct k_sigaction *ka,
  130 +static inline void __user *get_sigframe(struct ksignal *ksig,
131 131 struct pt_regs *regs,
132 132 unsigned long framesize)
133 133 {
134   - unsigned long sp = regs->sp;
  134 + unsigned long sp = sigsp(regs->sp, ksig);
135 135  
136 136 /*
137   - * This is the X/Open sanctioned signal stack switching.
138   - */
139   - if ((ka->sa.sa_flags & SA_ONSTACK) && sas_ss_flags(sp) == 0)
140   - sp = current->sas_ss_sp + current->sas_ss_size;
141   -
142   - /*
143 137 * No matter what happens, 'sp' must be dword
144 138 * aligned. Otherwise, nasty things will happen
145 139 */
... ... @@ -153,7 +147,7 @@
153 147 unsigned long __user *retcode;
154 148 int err = 0;
155 149  
156   - frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));
  150 + frame = get_sigframe(ksig, regs, sizeof(*frame));
157 151  
158 152 if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
159 153 return -EFAULT;