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-rw-r--r--arch/alpha/lib/csum_partial_copy.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c
index ffb19b7..ff3c107 100644
--- a/arch/alpha/lib/csum_partial_copy.c
+++ b/arch/alpha/lib/csum_partial_copy.c
@@ -130,7 +130,7 @@ csum_partial_cfu_aligned(const unsigned long __user *src, unsigned long *dst,
*dst = word | tmp;
checksum += carry;
}
- if (err) *errp = err;
+ if (err && errp) *errp = err;
return checksum;
}
@@ -185,7 +185,7 @@ csum_partial_cfu_dest_aligned(const unsigned long __user *src,
*dst = word | tmp;
checksum += carry;
}
- if (err) *errp = err;
+ if (err && errp) *errp = err;
return checksum;
}
@@ -242,7 +242,7 @@ csum_partial_cfu_src_aligned(const unsigned long __user *src,
stq_u(partial_dest | second_dest, dst);
out:
checksum += carry;
- if (err) *errp = err;
+ if (err && errp) *errp = err;
return checksum;
}
@@ -325,7 +325,7 @@ csum_partial_cfu_unaligned(const unsigned long __user * src,
stq_u(partial_dest | word | second_dest, dst);
checksum += carry;
}
- if (err) *errp = err;
+ if (err && errp) *errp = err;
return checksum;
}
@@ -339,7 +339,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
if (len) {
if (!access_ok(VERIFY_READ, src, len)) {
- *errp = -EFAULT;
+ if (errp) *errp = -EFAULT;
memset(dst, 0, len);
return sum;
}
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