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-rw-r--r--ext/Compress/Zlib/Zlib.xs6
1 files changed, 2 insertions, 4 deletions
diff --git a/ext/Compress/Zlib/Zlib.xs b/ext/Compress/Zlib/Zlib.xs
index 2421f2cfac..a9f629788c 100644
--- a/ext/Compress/Zlib/Zlib.xs
+++ b/ext/Compress/Zlib/Zlib.xs
@@ -422,8 +422,7 @@ Zip_gzread(file, buf, len=4096)
CODE:
if (SvREADONLY(buf) && PL_curcop != &PL_compiling)
croak("gzread: buffer parameter is read-only");
- if (!SvUPGRADE(buf, SVt_PV))
- croak("cannot use buf argument as lvalue");
+ SvUPGRADE(buf, SVt_PV);
SvPOK_only(buf);
SvCUR_set(buf, 0);
/* any left over from gzreadline ? */
@@ -468,8 +467,7 @@ gzreadline(file, buf)
CODE:
if (SvREADONLY(buf) && PL_curcop != &PL_compiling)
croak("gzreadline: buffer parameter is read-only");
- if (!SvUPGRADE(buf, SVt_PV))
- croak("cannot use buf argument as lvalue");
+ SvUPGRADE(buf, SVt_PV);
SvPOK_only(buf);
/* sv_setpvn(buf, "", SIZE) ; */
SvGROW(buf, SIZE) ;