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Groups > linux.kernel > #1245160

[PATCH 4/9] usb/host/fotg210: Remove NULL checks dma_pool_destroy

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This patch remove NULL checks before calls to dma_pool_destroy() as the
function now can handle NULL pointers.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
---
 drivers/usb/host/fotg210-hcd.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 7f6aa99..54c2b05 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -1915,17 +1915,13 @@ static void fotg210_mem_cleanup(struct fotg210_hcd *fotg210)
 	fotg210->dummy = NULL;
 
 	/* DMA consistent memory and pools */
-	if (fotg210->qtd_pool)
-		dma_pool_destroy(fotg210->qtd_pool);
+	dma_pool_destroy(fotg210->qtd_pool);
 	fotg210->qtd_pool = NULL;
 
-	if (fotg210->qh_pool) {
-		dma_pool_destroy(fotg210->qh_pool);
-		fotg210->qh_pool = NULL;
-	}
+	dma_pool_destroy(fotg210->qh_pool);
+	fotg210->qh_pool = NULL;
 
-	if (fotg210->itd_pool)
-		dma_pool_destroy(fotg210->itd_pool);
+	dma_pool_destroy(fotg210->itd_pool);
 	fotg210->itd_pool = NULL;
 
 	if (fotg210->periodic)
-- 
2.1.0

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Thread

[PATCH 0/9] usb/host/fotg210: code style and warning fixes Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 6/9] usb/host/fotg210: replace msleep by usleep_range Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 4/9] usb/host/fotg210: Remove NULL checks dma_pool_destroy Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 8/9] usb/host/fotg210: Add function: output_buf_tds_dir() Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 3/9] usb/host/fotg210: Remove useless else statement Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
    Re: [PATCH 3/9] usb/host/fotg210: Remove useless else statement Joe Perches <joe@perches.com> - 2015-10-13 00:10 +0200
      [PATCH 3/9 V2] usb/host/fotg210: Remove return statement inside if Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-17 21:40 +0200
  [PATCH 2/9] usb/host/fotg210: remove KERN_WARNING from pr_warn Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 7/9] usb/host/fotg210: convert macro to inline function Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 9/9] usb/host/fotg210: Add function scan_frame_queue() Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200
  [PATCH 5/9] usb/host/fotg210: change kmalloc by kmalloc_array Peter Senna Tschudin <peter.senna@gmail.com> - 2015-10-12 23:30 +0200

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