[PULL v2 2/8] tcg: Make the cleanup-on-error path unique

[Richard Henderson]

From: Samuel Tardieu <sam@rfc1149.net>

By calling `error_setg_errno()` before jumping to the cleanup-on-error
path at the `fail` label, the cleanup path is clearer.

Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20231219182212.455952-3-sam@rfc1149.net>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/region.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tcg/region.c b/tcg/region.c
index 467e51cf6f..478ec051c4 100644
--- a/tcg/region.c
+++ b/tcg/region.c
@@ -584,7 +584,9 @@ static int alloc_code_gen_buffer_splitwx_memfd(size_t size, 
Error **errp)
 
     buf_rx = mmap(NULL, size, host_prot_read_exec(), MAP_SHARED, fd, 0);
     if (buf_rx == MAP_FAILED) {
-        goto fail_rx;
+        error_setg_errno(errp, errno,
+                         "failed to map shared memory for execute");
+        goto fail;
     }
 
     close(fd);
@@ -594,8 +596,6 @@ static int alloc_code_gen_buffer_splitwx_memfd(size_t size, 
Error **errp)
 
     return PROT_READ | PROT_WRITE;
 
- fail_rx:
-    error_setg_errno(errp, errno, "failed to map shared memory for execute");
  fail:
     /* buf_rx is always equal to MAP_FAILED here and does not require cleanup 
*/
     if (buf_rw) {
-- 
2.34.1