fixdep: use xmalloc()

When malloc() fails, there is not much userspace programs can do.
xmalloc() is useful to bail out on a memory allocation failure.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 84b6efa849f4d7f2a1d6e236a49433bf024a199c..cdd5da7e009b6f3ab18aae649434e65495877afc 100644 (file)
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -99,6 +99,8 @@
 #include <stdio.h>
 #include <ctype.h>
 
+#include <xalloc.h>
+
 static void usage(void)
 {
        fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
@@ -131,12 +133,9 @@ static unsigned int strhash(const char *str, unsigned int sz)
 static void add_to_hashtable(const char *name, int len, unsigned int hash,
                             struct item *hashtab[])
 {
-       struct item *aux = malloc(sizeof(*aux) + len);
+       struct item *aux;
 
-       if (!aux) {
-               perror("fixdep:malloc");
-               exit(1);
-       }
+       aux = xmalloc(sizeof(*aux) + len);
        memcpy(aux->name, name, len);
        aux->len = len;
        aux->hash = hash;
@@ -228,11 +227,7 @@ static void *read_file(const char *filename)
                perror(filename);
                exit(2);
        }
-       buf = malloc(st.st_size + 1);
-       if (!buf) {
-               perror("fixdep: malloc");
-               exit(2);
-       }
+       buf = xmalloc(st.st_size + 1);
        if (read(fd, buf, st.st_size) != st.st_size) {
                perror("fixdep: read");
                exit(2);