Modified: trunk/fs/binfmt_elf_fdpic.c (5821 => 5822)
--- trunk/fs/binfmt_elf_fdpic.c 2008-12-05 04:52:06 UTC (rev 5821)
+++ trunk/fs/binfmt_elf_fdpic.c 2008-12-05 05:53:47 UTC (rev 5822)
@@ -976,9 +976,12 @@
params->elfhdr_addr = seg->addr;
/* clear any space allocated but not loaded */
- if (phdr->p_filesz < phdr->p_memsz)
- clear_user((void *) (seg->addr + phdr->p_filesz),
- phdr->p_memsz - phdr->p_filesz);
+ if (phdr->p_filesz < phdr->p_memsz) {
+ ret = clear_user((void *) (seg->addr + phdr->p_filesz),
+ phdr->p_memsz - phdr->p_filesz);
+ if (ret)
+ return ret;
+ }
if (mm) {
if (phdr->p_flags & PF_X) {
@@ -1020,7 +1023,7 @@
struct elf32_fdpic_loadseg *seg;
struct elf32_phdr *phdr;
unsigned long load_addr, delta_vaddr;
- int loop, dvset;
+ int loop, dvset, ret;
load_addr = params->load_addr;
delta_vaddr = 0;
@@ -1209,7 +1212,9 @@
* PT_LOAD */
if (prot & PROT_WRITE && disp > 0) {
kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr, disp);
- clear_user((void __user *) maddr, disp);
+ ret = clear_user((void __user *) maddr, disp);
+ if (ret)
+ return ret;
maddr += disp;
}
@@ -1244,15 +1249,19 @@
if (prot & PROT_WRITE && excess1 > 0) {
kdebug("clear[%d] ad=%lx sz=%lx",
loop, maddr + phdr->p_filesz, excess1);
- clear_user((void __user *) maddr + phdr->p_filesz,
- excess1);
+ ret = clear_user((void __user *) maddr + phdr->p_filesz,
+ excess1);
+ if (ret)
+ return ret;
}
#else
if (excess > 0) {
kdebug("clear[%d] ad=%lx sz=%lx",
loop, maddr + phdr->p_filesz, excess);
- clear_user((void *) maddr + phdr->p_filesz, excess);
+ ret = clear_user((void *) maddr + phdr->p_filesz, excess);
+ if (ret)
+ return ret;
}
#endif
