[patch] parisc: perf: return -EFAULT on error

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The copy_from_user() returns the number of bytes remaining to be copied
but we want to return -EFAULT if it's non-zero.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 518f4f5f1f43..76c96a53fc71 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -320,8 +320,8 @@ static ssize_t perf_write(struct file *file, const char __user *buf, size_t coun
 	if (count != sizeof(uint32_t))
 		return -EIO;
 
-	if ((err = copy_from_user(&image_type, buf, sizeof(uint32_t))) != 0) 
-		return err;
+	if (copy_from_user(&image_type, buf, sizeof(uint32_t)))
+		return -EFAULT;
 
 	/* Get the interface type and test type */
    	interface_type = (image_type >> 16) & 0xffff;
--
To unsubscribe from this list: send the line "unsubscribe linux-parisc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux SoC]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux