From: Johannes Thumshirn Date: Fri, 22 May 2015 09:15:02 +0000 (+0200) Subject: mvsas: always iounmap resources X-Git-Tag: v6.6-pxa1908~20542^2~75 X-Git-Url: https://git.dujemihanovic.xyz/?a=commitdiff_plain;h=0a66ac17abf2bd03e30fbe20b1847258b960b683;p=linux.git mvsas: always iounmap resources In case pci_resource_start() or pci_resource_len() reutrn 0, mvsas_ioremap returns without doing an iounmap() of mvi->regs_ex. Found by the cocinelle tool. Signed-off-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index d40d734aa53a..f466a6aa8830 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -338,8 +338,11 @@ int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex) res_start = pci_resource_start(pdev, bar); res_len = pci_resource_len(pdev, bar); - if (!res_start || !res_len) + if (!res_start || !res_len) { + iounmap(mvi->regs_ex); + mvi->regs_ex = NULL; goto err_out; + } res_flag = pci_resource_flags(pdev, bar); if (res_flag & IORESOURCE_CACHEABLE)