RFR: JDK-8298093: improve cleanup and error handling of awt_parseColorModel in awt_parseImage.c

[Phil Race]

On Mon, 5 Dec 2022 09:51:42 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> The cleanup and error handling in function awt_parseColorModel in awt_parseImage.c could be improved.

src/java.desktop/share/native/libawt/awt/image/awt_parseImage.c line 104:

> 102:                                       cmP)) <= 0) {
> 103:         awt_freeParsedRaster(&imageP->raster, FALSE);
> 104:         if (cmP->nBits != NULL) free(cmP->nBits);

It seems wrong to me that awt_parseColorModel should return a failure code and not have cleaned up any storage it itself allocated.
In other words this clean up belongs in there.

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PR: https://git.openjdk.org/jdk/pull/11508