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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-24 22:53:34 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-24 22:53:34 +0200
commit96cc112c09b3c6674da01ef8b377f7a916883ea2 (patch)
tree48bc76aaf41a75b5d8bde9184912a2ab74abbc3e /drivers/ide
parenta0f403bc58dcaa118f02ec70c3ecfec1bc26e445 (diff)
downloadlinux-96cc112c09b3c6674da01ef8b377f7a916883ea2.tar.gz
gayle: release resources on ide_host_add() failure
"gayle: reserve memory resources at once" patch temporary removed
freeing of resources on failure (to ease convertion to ide_host_add()
interface).  This patch fixes it.

Thanks to Geert for noticing the issue.

Noticed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/legacy/gayle.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index dd5c467d8dd0..51ba085d7aa8 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -127,7 +127,7 @@ static int __init gayle_init(void)
     unsigned long phys_base, res_start, res_n;
     unsigned long base, ctrlport, irqport;
     ide_ack_intr_t *ack_intr;
-    int a4000, i;
+    int a4000, i, rc;
     hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
 
     if (!MACH_IS_AMIGA)
@@ -179,7 +179,11 @@ found:
 	hws[i] = &hw[i];
     }
 
-    return ide_host_add(NULL, hws, NULL);
+    rc = ide_host_add(NULL, hws, NULL);
+    if (rc)
+	release_mem_region(res_start, res_n);
+
+    return rc;
 }
 
 module_init(gayle_init);