Messages in this thread Patch in this message |  | | Date | Fri, 25 May 2001 21:34:22 +0200 | From | Rasmus Andersen <> | Subject | [PATCH] check kmalloc return in ide-cd.c (244-ac16) |
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Hi.
This patch adds a check for the return value from kmalloc in ide_cdrom_open. Applies against ac16.
--- linux-244-ac16-clean/drivers/ide/ide-cd.c Fri May 25 21:11:08 2001 +++ linux-244-ac16/drivers/ide/ide-cd.c Fri May 25 21:30:20 2001 @@ -2869,12 +2869,12 @@ int ide_cdrom_open (struct inode *ip, struct file *fp, ide_drive_t *drive) { struct cdrom_info *info = drive->driver_data; - int rc; + int rc = -ENOMEM; MOD_INC_USE_COUNT; if (info->buffer == NULL) info->buffer = (char *) kmalloc(SECTOR_BUFFER_SIZE, GFP_KERNEL); - if ((rc = cdrom_fops.open(ip, fp))) { + if ((info->buffer == NULL) || (rc = cdrom_fops.open(ip, fp))) { drive->usage--; MOD_DEC_USE_COUNT; } -- Regards, Rasmus(rasmus@jaquet.dk) The police are not here to create disorder. They're here to preserve disorder." -Former Chicago mayor Daley during the infamous 1968 Democratic Party convention - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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