Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 13 insertions, 13 deletions

diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index 4c556680f..ae1b5404f 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -127,12 +127,8 @@ static int set_brk(unsigned long start, unsigned long end)
 {
 	start = PAGE_ALIGN(start);
 	end = PAGE_ALIGN(end);
-	if (end > start) {
-		unsigned long addr;
-		addr = vm_brk(start, end - start);
-		if (BAD_ADDR(addr))
-			return addr;
-	}
+	if (end > start)
+		return vm_brk(start, end - start);
 	return 0;
 }
 
@@ -275,7 +271,7 @@ static int load_aout_binary(struct linux_binprm * bprm)
 		map_size = ex.a_text+ex.a_data;
 #endif
 		error = vm_brk(text_addr & PAGE_MASK, map_size);
-		if (error != (text_addr & PAGE_MASK))
+		if (error)
 			return error;
 
 		error = read_code(bprm->file, text_addr, pos,
@@ -297,7 +293,10 @@ static int load_aout_binary(struct linux_binprm * bprm)
 		}
 
 		if (!bprm->file->f_op->mmap||((fd_offset & ~PAGE_MASK) != 0)) {
-			vm_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
+			error = vm_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
+			if (error)
+				return error;
+
 			read_code(bprm->file, N_TXTADDR(ex), fd_offset,
 				  ex.a_text + ex.a_data);
 			goto beyond_if;
@@ -378,8 +377,10 @@ static int load_aout_library(struct file *file)
 			       "N_TXTOFF is not page aligned. Please convert library: %pD\n",
 			       file);
 		}
-		vm_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
-		
+		retval = vm_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
+		if (retval)
+			goto out;
+
 		read_code(file, start_addr, N_TXTOFF(ex),
 			  ex.a_text + ex.a_data);
 		retval = 0;
@@ -397,9 +398,8 @@ static int load_aout_library(struct file *file)
 	len = PAGE_ALIGN(ex.a_text + ex.a_data);
 	bss = ex.a_text + ex.a_data + ex.a_bss;
 	if (bss > len) {
-		error = vm_brk(start_addr + len, bss - len);
-		retval = error;
-		if (error != start_addr + len)
+		retval = vm_brk(start_addr + len, bss - len);
+		if (retval)
 			goto out;
 	}
 	retval = 0;