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author | Juan Quintela <quintela@redhat.com> | 2012-08-29 19:43:39 +0200 |
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committer | Juan Quintela <quintela@redhat.com> | 2012-10-17 18:34:59 +0200 |
commit | c10682cb031525a8bdf3999ef6a033777929d304 (patch) | |
tree | adb740c62378071db4f0a8e70bf6d5dc5f7fff26 /savevm.c | |
parent | 02c4a0511bc58b005511c94055a55b1e19c6be71 (diff) | |
download | qemu-c10682cb031525a8bdf3999ef6a033777929d304.zip qemu-c10682cb031525a8bdf3999ef6a033777929d304.tar.gz qemu-c10682cb031525a8bdf3999ef6a033777929d304.tar.bz2 |
savevm: Only qemu_fflush() can generate errors
Move the error check to the beggining of the callers. Once this is fixed
qemu_file_set_if_error() is not used anymore, so remove it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'savevm.c')
-rw-r--r-- | savevm.c | 35 |
1 files changed, 18 insertions, 17 deletions
@@ -445,18 +445,6 @@ void qemu_file_set_error(QEMUFile *f, int ret) f->last_error = ret; } -/** Sets last_error conditionally - * - * Sets last_error only if ret is negative _and_ no error - * was set before. - */ -static void qemu_file_set_if_error(QEMUFile *f, int ret) -{ - if (ret < 0 && !f->last_error) { - qemu_file_set_error(f, ret); - } -} - /** Flushes QEMUFile buffer * */ @@ -544,13 +532,17 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) { int l; - if (!f->last_error && f->is_write == 0 && f->buf_index > 0) { + if (f->last_error) { + return; + } + + if (f->is_write == 0 && f->buf_index > 0) { fprintf(stderr, "Attempted to write to buffer while read buffer is not empty\n"); abort(); } - while (!f->last_error && size > 0) { + while (size > 0) { l = IO_BUF_SIZE - f->buf_index; if (l > size) l = size; @@ -561,14 +553,21 @@ void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) size -= l; if (f->buf_index >= IO_BUF_SIZE) { int ret = qemu_fflush(f); - qemu_file_set_if_error(f, ret); + if (ret < 0) { + qemu_file_set_error(f, ret); + break; + } } } } void qemu_put_byte(QEMUFile *f, int v) { - if (!f->last_error && f->is_write == 0 && f->buf_index > 0) { + if (f->last_error) { + return; + } + + if (f->is_write == 0 && f->buf_index > 0) { fprintf(stderr, "Attempted to write to buffer while read buffer is not empty\n"); abort(); @@ -578,7 +577,9 @@ void qemu_put_byte(QEMUFile *f, int v) f->is_write = 1; if (f->buf_index >= IO_BUF_SIZE) { int ret = qemu_fflush(f); - qemu_file_set_if_error(f, ret); + if (ret < 0) { + qemu_file_set_error(f, ret); + } } } |