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| author | Johannes Thumshirn <jthumshirn@suse.de> | 2015-05-22 11:15:02 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Odin.com> | 2015-08-12 11:18:47 -0700 |
| commit | 0a66ac17abf2bd03e30fbe20b1847258b960b683 (patch) | |
| tree | 91cf9b928b94dd34894538fc97f4ef8273339ac8 /drivers/scsi/mvsas/mv_init.c | |
| parent | a30c2a3bf8571c6748dd16edc10b32d45ed71a72 (diff) | |
| download | linux-0a66ac17abf2bd03e30fbe20b1847258b960b683.tar.gz linux-0a66ac17abf2bd03e30fbe20b1847258b960b683.tar.bz2 linux-0a66ac17abf2bd03e30fbe20b1847258b960b683.zip | |
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 <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/mvsas/mv_init.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_init.c | 5 |
1 files changed, 4 insertions, 1 deletions
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) |