MIPS: VPE: Free relocation chain on error.
This may happen if a bad sequence of relocations is being encountered.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 3d4ef84..245b03e 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -462,16 +462,15 @@
{
unsigned long insnlo = *location;
Elf32_Addr val, vallo;
+ struct mips_hi16 *l, *next;
/* Sign extend the addend we extract from the lo insn. */
vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000;
if (mips_hi16_list != NULL) {
- struct mips_hi16 *l;
l = mips_hi16_list;
while (l != NULL) {
- struct mips_hi16 *next;
unsigned long insn;
/*
@@ -481,7 +480,7 @@
printk(KERN_DEBUG "VPE loader: "
"apply_r_mips_lo16/hi16: \t"
"inconsistent value information\n");
- return -ENOEXEC;
+ goto out_free;
}
/*
@@ -519,6 +518,16 @@
*location = insnlo;
return 0;
+
+out_free:
+ while (l != NULL) {
+ next = l->next;
+ kfree(l);
+ l = next;
+ }
+ mips_hi16_list = NULL;
+
+ return -ENOEXEC;
}
static int (*reloc_handlers[]) (struct module *me, uint32_t *location,