[PATCH 1/1] video: fbdev-SIS: Deletion of unnecessary checks before the function call "pci_dev_put"
From: SF Markus Elfring <hidden>
Date: 2014-11-23 12:00:53
Also in:
kernel-janitors, lkml
Subsystem:
framebuffer layer, sis framebuffer driver, the rest · Maintainers:
Helge Deller, Linus Torvalds
From: Markus Elfring <redacted> Date: Sun, 23 Nov 2014 12:55:25 +0100 The pci_dev_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <redacted> --- drivers/video/fbdev/sis/sis_main.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 3f12a2d..6548a3e 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c@@ -5989,7 +5989,7 @@ static int sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if(!ivideo->sisvga_enabled) { if(pci_enable_device(pdev)) { - if(ivideo->nbridge) pci_dev_put(ivideo->nbridge); + pci_dev_put(ivideo->nbridge); framebuffer_release(sis_fb_info); return -EIO; }
@@ -6202,10 +6202,8 @@ error_0: iounmap(ivideo->video_vbase); error_1: release_mem_region(ivideo->video_base, ivideo->video_size); error_2: release_mem_region(ivideo->mmio_base, ivideo->mmio_size); error_3: vfree(ivideo->bios_abase); - if(ivideo->lpcdev) - pci_dev_put(ivideo->lpcdev); - if(ivideo->nbridge) - pci_dev_put(ivideo->nbridge); + pci_dev_put(ivideo->lpcdev); + pci_dev_put(ivideo->nbridge); if(!ivideo->sisvga_enabled) pci_disable_device(pdev); framebuffer_release(sis_fb_info);
@@ -6505,11 +6503,9 @@ static void sisfb_remove(struct pci_dev *pdev) vfree(ivideo->bios_abase); - if(ivideo->lpcdev) - pci_dev_put(ivideo->lpcdev); + pci_dev_put(ivideo->lpcdev); - if(ivideo->nbridge) - pci_dev_put(ivideo->nbridge); + pci_dev_put(ivideo->nbridge); #ifdef CONFIG_MTRR /* Release MTRR region */
--
2.1.3