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qemu: make qemuGetCompressionProgram return int not an enum

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enum types are unsigned and the qemuGetCompressionProgram
function can return -1 on error. It is therefore inappropriate
to return an enum type. This fixes a build error where the
internal 'ret' variable was used in a comparison with -1

../../src/qemu/qemu_driver.c: In function 'qemuGetCompressionProgram':
../../src/qemu/qemu_driver.c:3280:5: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
../../src/qemu/qemu_driver.c:3289:5: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits]
cc1: all warnings being treated as errors

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-09-27 09:49:20 +01:00
parent 4ab456806f
commit 1d4634dbee
1 changed files with 2 additions and 2 deletions
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4
src/qemu/qemu_driver.c
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@ -3264,13 +3264,13 @@ qemuDomainSaveInternal(virQEMUDriverPtr driver, virDomainPtr dom,
* no there was an error, then just return RAW
* indicating none.
*/
static virQEMUSaveFormat ATTRIBUTE_NONNULL(2)
static int ATTRIBUTE_NONNULL(2)
qemuGetCompressionProgram(const char *imageFormat,
char **compresspath,
const char *styleFormat,
bool use_raw_on_fail)
{
virQEMUSaveFormat ret;
int ret;
*compresspath = NULL;