[PATCH v2 3/7] staging: sm750fb: lynxfb_pci_probe: return actual errors
Mike Rapoport
mike.rapoport at gmail.com
Wed Nov 4 10:38:07 UTC 2015
The lynxfb_pci_probe always returned -ENODEV in case of error. Modify it
so that actual error code will be propogated to the caller.
Signed-off-by: Mike Rapoport <mike.rapoport at gmail.com>
---
drivers/staging/sm750fb/sm750.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index c80b11c..8f666c0 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -1006,17 +1006,18 @@ static int lynxfb_pci_probe(struct pci_dev *pdev,
struct fb_info *info[] = {NULL, NULL};
struct sm750_dev *sm750_dev = NULL;
int fbidx;
+ int err = -ENOMEM;
/* enable device */
if (pci_enable_device(pdev)) {
pr_err("can not enable device.\n");
- goto err_enable;
+ return -ENODEV;
}
sm750_dev = kzalloc(sizeof(*sm750_dev), GFP_KERNEL);
if (!sm750_dev) {
pr_err("Could not allocate memory for share.\n");
- goto err_share;
+ goto err_alloc_dev;
}
sm750_dev->fbinfo[0] = sm750_dev->fbinfo[1] = NULL;
@@ -1051,7 +1052,8 @@ static int lynxfb_pci_probe(struct pci_dev *pdev,
sm750fb_setup(sm750_dev, g_settings);
/* call chip specific mmap routine */
- if (hw_sm750_map(sm750_dev, pdev)) {
+ err = hw_sm750_map(sm750_dev, pdev);
+ if (err) {
pr_err("Memory map failed\n");
goto err_map;
}
@@ -1082,7 +1084,6 @@ ALLOC_FB:
goto err_info1_alloc;
} else {
struct lynxfb_par *par;
- int errno;
pr_info("framebuffer #%d alloc okay\n", fbidx);
sm750_dev->fbinfo[fbidx] = info[fbidx];
@@ -1100,11 +1101,11 @@ ALLOC_FB:
/* register frame buffer */
pr_info("Ready to register framebuffer #%d.\n", fbidx);
- errno = register_framebuffer(info[fbidx]);
- if (errno < 0) {
+ err = register_framebuffer(info[fbidx]);
+ if (err < 0) {
pr_err("Failed to register fb_info #%d. err %d\n",
fbidx,
- errno);
+ err);
if (fbidx == 0)
goto err_register0;
else
@@ -1131,10 +1132,9 @@ err_info0_set:
err_info0_alloc:
err_map:
kfree(sm750_dev);
-err_share:
+err_alloc_dev:
pci_disable_device(pdev);
-err_enable:
- return -ENODEV;
+ return err;
}
static void lynxfb_pci_remove(struct pci_dev *pdev)
--
2.1.0
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