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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>
This commit is contained in:
Ralf Baechle 2009-08-03 12:26:40 +01:00
parent e2a9cf96a0
commit 477c4b0740
1 changed files with 12 additions and 3 deletions
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15
arch/mips/kernel/vpe.c
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@ -462,16 +462,15 @@ static int apply_r_mips_lo16(struct module *me, uint32_t *location,
{
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 @@ static int apply_r_mips_lo16(struct module *me, uint32_t *location,
printk(KERN_DEBUG "VPE loader: "
"apply_r_mips_lo16/hi16: \t"
"inconsistent value information\n");
return -ENOEXEC;
goto out_free;
}
/*
@ -519,6 +518,16 @@ static int apply_r_mips_lo16(struct module *me, uint32_t *location,
*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,