Message ID | 20231008114001.95348-1-philmd@linaro.org |
---|---|
State | Superseded |
Headers | show |
Series | migration: Use g_autofree to simplify ram_dirty_bitmap_reload() | expand |
Philippe Mathieu-Daudé <philmd@linaro.org> writes: > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> > --- > Based-on: <ZR7e3cmxCH9LAdnS@x1n> > --- > migration/ram.c | 15 ++++++--------- > 1 file changed, 6 insertions(+), 9 deletions(-) > > diff --git a/migration/ram.c b/migration/ram.c > index 982fbbeee1..4cb948cfd0 100644 > --- a/migration/ram.c > +++ b/migration/ram.c > @@ -4164,11 +4164,11 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) > { > /* from_dst_file is always valid because we're within rp_thread */ > QEMUFile *file = s->rp_state.from_dst_file; > - unsigned long *le_bitmap, nbits = block->used_length >> TARGET_PAGE_BITS; > + unsigned long *le_bitmap = NULL; Aren't you missing the actual g_autofree here? > + unsigned long nbits = block->used_length >> TARGET_PAGE_BITS; > uint64_t local_size = DIV_ROUND_UP(nbits, 8); > uint64_t size, end_mark; > RAMState *rs = ram_state; > - bool result = false; > > trace_ram_dirty_bitmap_reload_begin(block->idstr); > > @@ -4193,7 +4193,7 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) > if (size != local_size) { > error_setg(errp, "ramblock '%s' bitmap size mismatch (0x%"PRIx64 > " != 0x%"PRIx64")", block->idstr, size, local_size); > - goto out; > + return false; > } > > size = qemu_get_buffer(file, (uint8_t *)le_bitmap, local_size); > @@ -4203,13 +4203,13 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) > error_setg(errp, "read bitmap failed for ramblock '%s': " > "(size 0x%"PRIx64", got: 0x%"PRIx64")", > block->idstr, local_size, size); > - goto out; > + return false; > } > > if (end_mark != RAMBLOCK_RECV_BITMAP_ENDING) { > error_setg(errp, "ramblock '%s' end mark incorrect: 0x%"PRIx64, > block->idstr, end_mark); > - goto out; > + return false; > } > > /* > @@ -4241,10 +4241,7 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) > */ > migration_rp_kick(s); > > - result = true; > -out: > - g_free(le_bitmap); > - return result; > + return true; > } > > static int ram_resume_prepare(MigrationState *s, void *opaque)
On 9/10/23 17:07, Fabiano Rosas wrote: > Philippe Mathieu-Daudé <philmd@linaro.org> writes: > >> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> >> --- >> Based-on: <ZR7e3cmxCH9LAdnS@x1n> >> --- >> migration/ram.c | 15 ++++++--------- >> 1 file changed, 6 insertions(+), 9 deletions(-) >> >> diff --git a/migration/ram.c b/migration/ram.c >> index 982fbbeee1..4cb948cfd0 100644 >> --- a/migration/ram.c >> +++ b/migration/ram.c >> @@ -4164,11 +4164,11 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) >> { >> /* from_dst_file is always valid because we're within rp_thread */ >> QEMUFile *file = s->rp_state.from_dst_file; >> - unsigned long *le_bitmap, nbits = block->used_length >> TARGET_PAGE_BITS; >> + unsigned long *le_bitmap = NULL; > > Aren't you missing the actual g_autofree here? Argh 🤦🏻 sorry...
diff --git a/migration/ram.c b/migration/ram.c index 982fbbeee1..4cb948cfd0 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -4164,11 +4164,11 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) { /* from_dst_file is always valid because we're within rp_thread */ QEMUFile *file = s->rp_state.from_dst_file; - unsigned long *le_bitmap, nbits = block->used_length >> TARGET_PAGE_BITS; + unsigned long *le_bitmap = NULL; + unsigned long nbits = block->used_length >> TARGET_PAGE_BITS; uint64_t local_size = DIV_ROUND_UP(nbits, 8); uint64_t size, end_mark; RAMState *rs = ram_state; - bool result = false; trace_ram_dirty_bitmap_reload_begin(block->idstr); @@ -4193,7 +4193,7 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) if (size != local_size) { error_setg(errp, "ramblock '%s' bitmap size mismatch (0x%"PRIx64 " != 0x%"PRIx64")", block->idstr, size, local_size); - goto out; + return false; } size = qemu_get_buffer(file, (uint8_t *)le_bitmap, local_size); @@ -4203,13 +4203,13 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) error_setg(errp, "read bitmap failed for ramblock '%s': " "(size 0x%"PRIx64", got: 0x%"PRIx64")", block->idstr, local_size, size); - goto out; + return false; } if (end_mark != RAMBLOCK_RECV_BITMAP_ENDING) { error_setg(errp, "ramblock '%s' end mark incorrect: 0x%"PRIx64, block->idstr, end_mark); - goto out; + return false; } /* @@ -4241,10 +4241,7 @@ bool ram_dirty_bitmap_reload(MigrationState *s, RAMBlock *block, Error **errp) */ migration_rp_kick(s); - result = true; -out: - g_free(le_bitmap); - return result; + return true; } static int ram_resume_prepare(MigrationState *s, void *opaque)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- Based-on: <ZR7e3cmxCH9LAdnS@x1n> --- migration/ram.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-)