The caller only cares about zero vs non-zero so this code actually works
fine but we should be returning a negative error code instead of a valid
pointer casted to int.
Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/staging/rtl8723bs/os_dep/osdep_service.c b/drivers/staging/rtl8723bs/os_dep/osdep_service.c
index 02db59e8b593..aa16d1ab955b 100644
--- a/drivers/staging/rtl8723bs/os_dep/osdep_service.c
+++ b/drivers/staging/rtl8723bs/os_dep/osdep_service.c
@@ -160,7 +160,7 @@ static int isFileReadable(char *path)
oldfs = get_fs(); set_fs(get_ds());
if (1!=readFile(fp, &buf, 1))
- ret = PTR_ERR(fp);
+ ret = -EINVAL;
set_fs(oldfs);
filp_close(fp, NULL);
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