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fsdep/9p: fix -Werror=maybe-uninitialized false-positive

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../fsdev/9p-iov-marshal.c:93:23: error: ‘val’ may be used uninitialized [-Werror=maybe-uninitialized]
and similar

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
This commit is contained in:
Marc-André Lureau 2024-09-24 16:58:49 +04:00
parent eb5d28c783
commit 79660687df
1 changed files with 12 additions and 3 deletions
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15
fsdev/9p-iov-marshal.c
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@ -84,9 +84,12 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int out_num, size_t offset,
break; break;
} }
case 'w': { case 'w': {
uint16_t val, *valp; uint16_t val = 0, *valp;
valp = va_arg(ap, uint16_t *); valp = va_arg(ap, uint16_t *);
copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val)); copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val));
if (copied <= 0) {
break;
}
if (bswap) { if (bswap) {
*valp = le16_to_cpu(val); *valp = le16_to_cpu(val);
} else { } else {
@ -95,9 +98,12 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int out_num, size_t offset,
break; break;
} }
case 'd': { case 'd': {
uint32_t val, *valp; uint32_t val = 0, *valp;
valp = va_arg(ap, uint32_t *); valp = va_arg(ap, uint32_t *);
copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val)); copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val));
if (copied <= 0) {
break;
}
if (bswap) { if (bswap) {
*valp = le32_to_cpu(val); *valp = le32_to_cpu(val);
} else { } else {
@ -106,9 +112,12 @@ ssize_t v9fs_iov_vunmarshal(struct iovec *out_sg, int out_num, size_t offset,
break; break;
} }
case 'q': { case 'q': {
uint64_t val, *valp; uint64_t val = 0, *valp;
valp = va_arg(ap, uint64_t *); valp = va_arg(ap, uint64_t *);
copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val)); copied = v9fs_unpack(&val, out_sg, out_num, offset, sizeof(val));
if (copied <= 0) {
break;
}
if (bswap) { if (bswap) {
*valp = le64_to_cpu(val); *valp = le64_to_cpu(val);
} else { } else {