فهرست منبع

[PATCH] check for failed kmalloc in inftlmount.c

The INFTL mount code contains a kmalloc() followed by a memset() without
handling a possible memory allocation failure.

Signed-off-by: <panagiotis.issaris@mech.kuleuven.ac.be>
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Greg Ungerer 19 سال پیش
والد
کامیت
8766af935f
1فایلهای تغییر یافته به همراه6 افزوده شده و 0 حذف شده
  1. 6 0
      drivers/mtd/inftlmount.c

+ 6 - 0
drivers/mtd/inftlmount.c

@@ -574,6 +574,12 @@ int INFTL_mount(struct INFTLrecord *s)
 
 	/* Temporary buffer to store ANAC numbers. */
 	ANACtable = kmalloc(s->nb_blocks * sizeof(u8), GFP_KERNEL);
+	if (!ANACtable) {
+		printk(KERN_WARNING "INFTL: allocation of ANACtable "
+				"failed (%zd bytes)\n",
+				s->nb_blocks * sizeof(u8));
+		return -ENOMEM;
+	}
 	memset(ANACtable, 0, s->nb_blocks);
 
 	/*