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migration/qemu-file.c: Don't shift left into sign bit 

Add a cast in qemu_get_be32() to avoid shifting left into the sign
bit of a signed integer (which is undefined behaviour in C).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Peter Maydell 2014-12-23 22:26:55 +00:00 committed by Michael Tokarev
parent 2d8ac5eb7a
commit 90d6a6730b
1 changed files with 1 additions and 1 deletions
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migration/qemu-file.c
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@ -503,7 +503,7 @@ unsigned int qemu_get_be16(QEMUFile *f)
unsigned int qemu_get_be32(QEMUFile *f)
{
unsigned int v;
v = qemu_get_byte(f) << 24;
v = (unsigned int)qemu_get_byte(f) << 24;
v |= qemu_get_byte(f) << 16;
v |= qemu_get_byte(f) << 8;
v |= qemu_get_byte(f);