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Commit 4b8b3905 authored by Mohamed Khalfella's avatar Mohamed Khalfella Committed by Steven Rostedt (Google)
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tracing/histograms: Return an error if we fail to add histogram to hist_vars list

Commit 6018b585 ("tracing/histograms: Add histograms to hist_vars if
they have referenced variables") added a check to fail histogram creation
if save_hist_vars() failed to add histogram to hist_vars list. But the
commit failed to set ret to failed return code before jumping to
unregister histogram, fix it.

Link: https://lore.kernel.org/linux-trace-kernel/20230714203341.51396-1-mkhalfella@purestorage.com



Cc: stable@vger.kernel.org
Fixes: 6018b585 ("tracing/histograms: Add histograms to hist_vars if they have referenced variables")
Signed-off-by: default avatarMohamed Khalfella <mkhalfella@purestorage.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 8a96c028
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